-1244

Appears in sequences

• Diagonal sums of number triangle A105522.at n=17A105524
• Expansion of x*(1+2*x+3*x^2+4*x^3+4*x^4)/(1+x+x^2+x^3-x^5).at n=57A122520
• Expansion of the unique normalized cusp form of Gamma_0(5) of weight 6 in powers of q.at n=42A226347
• a(n) = A033879(A276086(n)).at n=55A324654
• a(n) = Sum_{k=0..n}(-1)^(n-k)*binomial(n, k)*|A021009(n, k)|.at n=5A343840