94962

Appears in sequences

• Coefficients of Chebyshev polynomials.at n=16A005584
• Expansion of 2*x^2/(1 - 2*x - 2*x^2 + sqrt(1 - 4*x - 4*x^2)).at n=11A052705
• Triangle in A071943 with rows reversed.at n=56A108073
• a(n) = gcd(Catalan(n), n!).at n=32A170829
• Coefficient array for the powers of x^2 of the square of the even-indexed Chebyshev C polynomials.at n=57A220668
• G.f.: Sum_{n=-oo..+oo} x^(n^2) * C(x)^(4*n-4), where C(x) = 1 + x*C(x)^2 is the g.f. of the Catalan numbers (A000108).at n=42A356778