Number of 6-member subsets of [6*n] whose elements sum to a multiple of n.

Terms

a(0) =0a(1) =1a(2) =452a(3) =6198a(4) =33594a(5) =118755a(6) =324516a(7) =749398a(8) =1533686a(9) =2869719a(10) =5005980a(11) =8259888a(12) =13019358a(13) =19757815a(14) =29033576a(15) =41507700a(16) =57939438a(17) =79208745a(18) =106307256a(19) =140364532a(20) =182635562a(21) =234531357a(22) =297600576a(23) =373566942a(24) =464304450a(25) =571880029a(26) =698523980a(27) =846678498