Square array A(n,k), n >= 0, k >= 0, read by antidiagonals: A(n,k) = Sum_{j=0..n} binomial(k*n,k*j).
A308500
Square array A(n,k), n >= 0, k >= 0, read by antidiagonals: A(n,k) = Sum_{j=0..n} binomial(k*n,k*j).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =2a(5) =3a(6) =1a(7) =2a(8) =4a(9) =4a(10) =1a(11) =2a(12) =8a(13) =8a(14) =5a(15) =1a(16) =2a(17) =22a(18) =32a(19) =16a(20) =6a(21) =1a(22) =2a(23) =72a(24) =170a(25) =128a(26) =32a(27) =7a(28) =1a(29) =2
External references
- oeis: A308500