132228

Appears in sequences

• Number of isosceles right triangles on a 2n X (n+1) grid.at n=16A189894
• Triangle T(n, k) read by rows: row n gives the coefficients of the numerator polynomials of the o.g.f. of the (n+1)-th diagonal of the Sheffer triangle A154537 (S2[2,1] generalized Stirling2), for n >= 0.at n=23A290315