109640

Appears in sequences

• Triangle T(n,k) read by rows: T(n,k) = 1 if k=1 or k=n, otherwise T(n,k) = (3*n-3*k+1)*T(n-1,k-1) + (3*k-2)*T(n-1,k).at n=24A142458
• Third subdiagonal of A142458: a(n) = A142458(n+3,n).at n=3A144380
• a(n) = A142458(n, 1 + floor(n/2)).at n=6A154425
• Number of admissible basis in the postage stamp problem for n denominations and h = 4 stamps.at n=5A167811