390880

Appears in sequences

• Expansion of x/((1-x-x^3)*(1-x)^4).at n=24A144898
• a(n) = 5^n + 2^n - 1^n.at n=8A155588
• Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=33A278463