Square array A(n,k), n >= 1, k >= 1, read by antidiagonals, where A(n,k) is Sum_{j=1..n} binomial(j*k, k).
A323663
Square array A(n,k), n >= 1, k >= 1, read by antidiagonals, where A(n,k) is Sum_{j=1..n} binomial(j*k, k).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =7a(5) =6a(6) =1a(7) =21a(8) =22a(9) =10a(10) =1a(11) =71a(12) =105a(13) =50a(14) =15a(15) =1a(16) =253a(17) =566a(18) =325a(19) =95a(20) =21a(21) =1a(22) =925a(23) =3256a(24) =2386a(25) =780a(26) =161a(27) =28a(28) =1a(29) =3433
External references
- oeis: A323663