1328336

Appears in sequences

• Triangle T(n,k) (n >= 1, 0 <= k <= floor((n-1)/2)) read by rows, where T(n,k) = (k+1)T(n-1,k) + (2n-4k)T(n-1,k-1).at n=33A101280
• 1/16 the number of permutations of 0..n having exactly 4 maxima.at n=10A130660