24072133

Appears in sequences

• The size of the largest antichain in the 7-dimensional hypercubic lattice of size n; also the coefficient of x^floor(7*(n-1)/2) in (1 + x + ... + x^(n-1))^7.at n=18A133458
• Number of arrays of 7 integers in -n..n with sum zero.at n=9A201554
• Number of arrays of n integers in -9..9 with sum zero.at n=7A322539