Number of n-element subsets of [5n] whose elements sum to a multiple of n.

A318433

Number of n-element subsets of [5n] whose elements sum to a multiple of n.

Terms

    a(0) =1a(1) =5a(2) =20a(3) =155a(4) =1220a(5) =10630a(6) =98900a(7) =960650a(8) =9613700a(9) =98462675a(10) =1027222520a(11) =10877596900a(12) =116613287300

External references