T(n, k) = [x^k] Pochhammer(x, n-k) for n >= 0, 0 <= k <= floor(n/2). Irregular triangle read by rows.

A331327

T(n, k) = [x^k] Pochhammer(x, n-k) for n >= 0, 0 <= k <= floor(n/2). Irregular triangle read by rows.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =0a(7) =2a(8) =1a(9) =0a(10) =6a(11) =3a(12) =0a(13) =24a(14) =11a(15) =1a(16) =0a(17) =120a(18) =50a(19) =6a(20) =0a(21) =720a(22) =274a(23) =35a(24) =1a(25) =0a(26) =5040a(27) =1764a(28) =225a(29) =10

External references