-5460

Appears in sequences

• McKay-Thompson series of class 18C for the Monster group.at n=37A058533
• a(n) = -a(n-1) + 2*a(n-2), a(0)=1, a(1)=2.at n=14A084247
• Expansion of (1+x-4*x^2) / ((1+x)*(1-4*x^2)).at n=14A087213
• McKay-Thompson series of class 12B for the Monster group.at n=37A112148
• McKay-Thompson series of class 18C for the Monster group with a(0) = -3.at n=37A123676
• Irregular triangular array a(n,m) for third (k=3) convolution of Chebyshev's S(n,x) = U(n,x/2) polynomials, read by rows (n >=0, 0 <= m <= floor(n/2)).at n=50A128505
• a(n) = (1/3)*(1 - (-2)^n + 3*(-1)^n ) = (-1)^(n+1)*A167030(n).at n=14A167193
• G.f.: x^2*(3+3*x+x^2) / ( (2*x+1) * (1+x) * (1+x+x^2) * (x^2-x+1) ) .at n=13A167617
• Expansion of q^(-1) * f(-q^3) * phi(-q^3) / (phi(-q^2) * psi(-q^9)) in powers of q where f(), phi(), psi() are Ramanujan theta functions.at n=37A186115
• McKay-Thompson series of class 12B for the Monster group with a(0) = 5.at n=37A187146
• McKay-Thompson series of class 12B for the Monster group with a(0) = -4.at n=37A187147
• McKay-Thompson series of class 12B for the Monster group with a(0) = -3.at n=37A187148
• McKay-Thompson series of class 18C for the Monster group with a(0) = -2.at n=37A215412
• McKay-Thompson series of class 18C for the Monster group with a(0) = 1.at n=37A215413
• Expansion of b(-q) * b(q^6) / (b(q^3) * b(q^12)) in powers of q where b() is a cubic AGM theta function.at n=36A258108
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 97", based on the 5-celled von Neumann neighborhood.at n=43A270155
• First term of n-th difference sequence of (floor(3e*k)), k >= 0.at n=15A325737
• Table T(r,s) read by rows: the coefficient of [k^s] of the Wynn's r-th converging polynomial p_r(k) of Weber functions, 0<=s<=r.at n=51A380169