1274998725

Appears in sequences

• Numerators of sequence of fractions with e.g.f. (1+x)/(1-x)^(3/2).at n=9A126119
• Triangle read by rows: T(n,k) (1 <= k <= n-1, n >= 2) = d(2*(n-k)-1)*(d(2*n-2)/d(2*(n-k)-2) - d(2*n-3)/d(2*(n-k)-3)), where d = A006882 is the double factorial function.at n=46A202212