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

Terms

a(0) =0a(1) =1a(2) =126a(3) =1001a(4) =3876a(5) =10630a(6) =23751a(7) =46376a(8) =82251a(9) =135751a(10) =211880a(11) =316251a(12) =455126a(13) =635376a(14) =864501a(15) =1150630a(16) =1502501a(17) =1929501a(18) =2441626a(19) =3049501a(20) =3764380a(21) =4598126a(22) =5563251a(23) =6672876a(24) =7940751a(25) =9381255a(26) =11009376a(27) =12840751a(28) =14891626a(29) =17178876