Number of n-element subsets of [4n] whose elements sum to a multiple of n.

A318432

Number of n-element subsets of [4n] whose elements sum to a multiple of n.

Terms

    a(0) =1a(1) =4a(2) =12a(3) =76a(4) =460a(5) =3104a(6) =22404a(7) =169152a(8) =1315020a(9) =10460416a(10) =84764512a(11) =697212652a(12) =5805722692a(13) =48847196896a(14) =414623627136

External references