a(n) is the number of integers in base n such that all the integers given by their first k digits are divisible by k and which cannot be extended further.

A380359

a(n) is the number of integers in base n such that all the integers given by their first k digits are divisible by k and which cannot be extended further.

Terms

    a(0) =1a(1) =3a(2) =8a(3) =21a(4) =54a(5) =145a(6) =367a(7) =1039a(8) =2492a(9) =6709a(10) =16799a(11) =46610a(12) =95597a(13) =368134a(14) =831886a(15) =2245056a(16) =6084180a(17) =15798495a(18) =41456343a(19) =119786906a(20) =292818176a(21) =788255058a(22) =2061079489a(23) =5753392327a(24) =14984432350

External references