131045

Appears in sequences

• Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1+x-x^2)^(n+1)*Sum_{j >= 0} (j+1)^n*(-x + x^2)^j.at n=56A156890
• a(n) = (n^2+1)^2+1.at n=19A178390
• a(n) = 2^n - 27.at n=17A220087