654720

Appears in sequences

• Theta series of lattice D_4 tensor D_4 (dimension 16, det. 65536, min. norm 4).at n=6A033692
• If X_1,...,X_n is a partition of a 2n-set X into 2-blocks then a(n) is equal to the number of 4-subsets of X containing none of X_i, (i=1,...,n).at n=29A130810