202752

Appears in sequences

• Theta series of laminated lattice LAMBDA_12^{max}.at n=7A006914
• arcsinh(arctan(x)*log(x+1)) = 2/2!*x^2 - 3/3!*x^3 - 10/5!*x^5 + 88/6!*x^6 - ...at n=8A012402
• Smallest natural number k such that periodic part of 1/k is n, or 0 if no such k exists.at n=38A037207
• 14-almost primes (generalization of semiprimes).at n=26A069275
• Logarithms (cf. A179989) f:{1,...,n}->Z/nZ such that either (i) n is odd or (ii) n is even and f(m) is even whenever m divides n/2.at n=33A179990
• G.f. C(x) satisfies: C(C(x)) - S(S(x)) = x where C(x) = x + 2*x^2*S(x).at n=15A191417
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 521", based on the 5-celled von Neumann neighborhood.at n=19A282829
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 379", based on the 5-celled von Neumann neighborhood.at n=22A287947
• Nonprime Heinz numbers of integer partitions whose product is equal to their sum.at n=23A301988
• Expansion of ( Sum_{k>=0} k^2 * q^(k^2) )^4.at n=57A347803
• Triangle T(n,k) read by rows in which n-th row lists in increasing order all multiplicative partitions mu of n whose sum is also n (with factors >= 1), encoded as Product_{j in mu} prime(j); n>=1, 1<=k<=A001055(n).at n=40A377852
• Riordan array ((1-x)^(m-1), x/(1-x)) with factor r^(2*n) on row n, for m = 3/2, r = 2.at n=33A380851