-7953

Appears in sequences

• Expansion of (1-2x-3x^2+x^3-x^5)/(1+4x^3+x^6).at n=20A157126
• Expansion of (1-2x-3x^2+x^3-x^5)/(1+4x^3+x^6).at n=21A157126
• Rectangular array: A(n,k) = Sum_{j=0..k} (-1)^floor(j/2)*binomial(k-floor((j+1)/2), floor(j/2))*(-n)^(k-j), n >= 1, k >= 0, read by antidiagonals.at n=62A299045
• G.f.: Sum_{n=-oo..+oo} x^(n*(n+1)/2) * C(x)^(4*n-6), where C(x) = 1 + x*C(x)^2 is the g.f. of the Catalan numbers (A000108).at n=11A355864