130176

Appears in sequences

• a(n) = T(n,n-2), array T as in A050143.at n=7A050148
• Triangle G(n,k) read by rows: number of order-preserving partial transformations (of an n-element totally ordered set) of waist k (waist(alpha) = max(Im(alpha))).at n=52A111516
• Number of n X 5 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=36A208376
• Number of subsets of {1..n-1} that can be linearly combined using nonnegative coefficients to obtain n.at n=17A365542