19610233

Appears in sequences

• Central "nonomial" coefficient: largest coefficient of (1+x+...+x^8)^n.at n=9A025014
• Doubly restricted composition numbers: number of compositions of 1+2+3+...+n = n(n+1)/2 into exactly n positive integers each no more than n.at n=9A077045
• Triangle read by rows, T(n, k) = [x^k] (1-x)^(n+1)*Sum_{j=0..n} binomial(n + n*j + j, n*j + j)*x^j.at n=40A108267
• Number of arrays of 9 integers in -n..n with sum zero.at n=4A322536