-972

Appears in sequences

• McKay-Thompson series of class 30a for Monster.at n=21A058619
• Lower triangular matrix T, read by rows, such that the row sums of T^n form the n-dimensional partitions.at n=99A096651
• Sequence is identical to its third differences in absolute value: a(0), a(1), a(2), a(2n+1)=3a(2n)-3a(2n-1)+2a(2n-2), a(2n+2)=3a(2n+1)-3a(2n), with a(0)=a(1)=0, a(2)=1.at n=22A131665
• a(2n+1) = 3a(2n)-3a(2n-1)+2a(2n-2), a(2n+2) = 3a(2n+1)-3a(2n), a(0) = 0, a(1) = 1, a(2) = 3.at n=21A133331
• Triangle read by rows: coefficients of Fermat-Lucas polynomials.at n=25A137372
• Table which contains in row n the mapping of the n-th block of 4 primes to 4 integers.at n=23A162156
• Inverse binomial transform of A169609, or of A144437 preceded by 1.at n=12A168615
• Triangle, read by rows, T(n, k) = (-1)^k * (n-k+1)^(n+2) * binomial(n+1, k).at n=7A176860
• Expansion of (1-3*x)/(1-6*x+18*x^2).at n=5A193410
• Expansion of eta(q)^9 * eta(q^5)^3 in powers of q.at n=27A227900
• Discriminant of the pure cubic field Q(m^(1/3)), where m = A004709(n) is the n-th cubefree number.at n=5A242867
• Discriminant of the pure cubic field Q(m^(1/3)), where m = A004709(n) is the n-th cubefree number.at n=10A242867
• Discriminant of the pure cubic field Q(m^(1/3)), where m = A004709(n) is the n-th cubefree number.at n=15A242867
• Discriminant of the pure cubic field Q(m^(1/3)), where m = A004709(n) is the n-th cubefree number.at n=30A242867
• For any composite number n with more than a single prime factor, take the polynomial defined by the product of the terms (x-pi)^ei, where pi are the prime factors of n with multiplicities ei. Integrate this polynomial from the minimum to the maximum value of pi. This sequence lists the values of the integrals that are integer.at n=4A245435
• For any composite number n with more than a single prime factor, take the polynomial defined by the product of the terms (x-pi)^ei, where pi are the prime factors of n with multiplicities ei. Integrate this polynomial from the minimum to the maximum value of pi. This sequence lists the values of the integrals that are integer.at n=23A245435
• For any composite number n with more than a single prime factor, take the polynomial defined by the product of the terms (x-pi)^ei, where pi are the prime factors of n with multiplicities ei. Integrate this polynomial from the minimum to the maximum value of pi. This sequence lists the values of the integrals that are integer.at n=29A245435
• a(n) = 3^n*A077985(n-1), A077985(-1) = 0. Irrational parts of the integers in Q(sqrt(2)) giving the length of a Lévy C-curve variant at iteration step n.at n=4A251733
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 251", based on the 5-celled von Neumann neighborhood.at n=19A271019
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 646", based on the 5-celled von Neumann neighborhood.at n=37A273329