Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 22 (most significant digit on right).

A061975

Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 22 (most significant digit on right).

Terms

    a(0) =1a(1) =3a(2) =7a(3) =9a(4) =21a(5) =31a(6) =63a(7) =751a(8) =1743a(9) =2205a(10) =12345a(11) =16689a(12) =20111a(13) =26607a(14) =32247a(15) =119595a(16) =437829a(17) =2834567

External references