-3320

Appears in sequences

• Low-temperature partition function expansion for hexagonal lattice (Potts model, q=3).at n=24A057385
• Row sums of number triangle related to the Jacobsthal numbers.at n=41A110325
• Expansion of (1+2*x)/(1+x+4*x^2)^2.at n=9A156857
• Triangle T(n,k) which contains 16*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(15 + exp(8*t)) in row n, column k.at n=24A171685
• Numerator coefficients of an infinite sum polynomial:p(x,n)=Sum[(((1 + Sqrt[5])^k - (1 - Sqrt[5])^k)/(2^k* Sqrt[5]))^n*x^k, {k, 0, Infinity}].at n=23A174986
• E.g.f.: S(x) = Series_Reversion( Integral 1/(1-x^3)^(1/3) dx ), where the constant of integration is zero.at n=3A258878
• Expansion of phi(q^5) / phi(q) in powers of q where phi() is a Ramanujan theta function.at n=19A261968
• Dirichlet convolution of A276086 (primorial base exp-function) with A055615 (Dirichlet inverse of n).at n=53A383286