50931

Appears in sequences

• a(2*n) equals coefficient of x^n in A(x)^(n+1) and a(2*n+1) equals coefficient of x^n in A(x)^(n+2), for n>=0.at n=15A094557
• a(n) = A120963(n) + A341711(floor(n/2)).at n=20A360520
• a(n) = K(n-1) + K(n) + K(n+1), where K(n) = A341711(floor(n/2)).at n=20A361151
• k such that 0 = Sum_{j=1..k} A373223(k, j). The indices of the rows in Gauss's triangle with vanishing row sums.at n=34A373181