Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 7 (most significant digit on right).
A061960
Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 7 (most significant digit on right).
Terms
- a(0) =1a(1) =3a(2) =12a(3) =171a(4) =324a(5) =717a(6) =867a(7) =977a(8) =2040a(9) =6017a(10) =13921a(11) =54036a(12) =81097a(13) =88580a(14) =265515a(15) =306612a(16) =349707a(17) =1075152a(18) =1189787a(19) =2579041
External references
- oeis: A061960