Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) is Sum_{i=0..n} binomial(n,i)*Sum_{j=0..i} binomial(i,j)^k.
A328807
Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) is Sum_{i=0..n} binomial(n,i)*Sum_{j=0..i} binomial(i,j)^k.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =3a(5) =8a(6) =1a(7) =3a(8) =9a(9) =20a(10) =1a(11) =3a(12) =11a(13) =27a(14) =48a(15) =1a(16) =3a(17) =15a(18) =45a(19) =81a(20) =112a(21) =1a(22) =3a(23) =23a(24) =93a(25) =195a(26) =243a(27) =256a(28) =1a(29) =3
External references
- oeis: A328807