-4752

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^12.at n=17A000735
• Expansion of log(1+tan(x)/cosh(x)).at n=8A009381
• Expansion of (eta(q) * eta(q^9))^12 in powers of q.at n=11A034436
• Coordination sequence for octagonal tiling is a(n)*sqrt(2) + A103909(n).at n=24A103908
• A triangular sequence of coefficients made from a product sum of the Pascal/binomial and the Chebyshev T Polynomials: t(n,m)=-Sum[Binomial[n + 1, k + 1]*CoefficientList[ChebyshevT[k + 1, x], x][[m]], {k, m, n}].at n=58A142701
• Expansion of a(q) * b(q)^2 in powers of q where a(), b() are cubic AGM theta functions.at n=23A181976
• Expansion of q * (phi(-q^2) * psi(-q)^2)^4 in powers of q where phi(), psi() are Ramanujan theta functions.at n=34A225912
• Expansion of q * f(-q^2)^12 + 8 * q^2 * f(-q^4)^12 in powers of q where f() is a Ramanujan theta function.at n=34A227239
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 99", based on the 5-celled von Neumann neighborhood.at n=37A270159
• Fourier coefficients of the modular form (1/t_{6a}) * sqrt( 1-12*sqrt(-3)/t_{6a} ) * F_{6a}^6.at n=17A341563
• Product_{n>=1} (1 + a(n) * x^n) = 1 + Sum_{n>=1} n^3 * x^n.at n=9A359265