Number of integers in base n having exactly four distinct digits such that the number formed by the consecutive subsequence of the initial j digits is divisible by j for all j in {1,2,3,4}.

A333469

Number of integers in base n having exactly four distinct digits such that the number formed by the consecutive subsequence of the initial j digits is divisible by j for all j in {1,2,3,4}.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =1a(6) =8a(7) =34a(8) =58a(9) =98a(10) =168a(11) =275a(12) =428a(13) =586a(14) =849a(15) =1193a(16) =1647a(17) =2017a(18) =2679a(19) =3454a(20) =4410a(21) =5283a(22) =6676a(23) =7900a(24) =9838a(25) =11396a(26) =13758a(27) =15994a(28) =19216a(29) =21493

External references