Number A(n,k) of n-element subsets of [k*n] whose elements sum to a multiple of n. Square array A(n,k) with n, k >= 0 read by antidiagonals.
A304482
Number A(n,k) of n-element subsets of [k*n] whose elements sum to a multiple of n. Square array A(n,k) with n, k >= 0 read by antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =2a(8) =0a(9) =0a(10) =1a(11) =3a(12) =2a(13) =1a(14) =0a(15) =1a(16) =4a(17) =6a(18) =8a(19) =0a(20) =0a(21) =1a(22) =5a(23) =12a(24) =30a(25) =18a(26) =1a(27) =0a(28) =1a(29) =6
External references
- oeis: A304482