Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 21 (most significant digit on right).

A029514

Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 21 (most significant digit on right).

Terms

    a(0) =1a(1) =3a(2) =5a(3) =7a(4) =15a(5) =25a(6) =55a(7) =80a(8) =143a(9) =187a(10) =192a(11) =387a(12) =1385a(13) =1760a(14) =4080a(15) =9040a(16) =9245a(17) =15565a(18) =17776a(19) =20080a(20) =28400a(21) =30019a(22) =30063a(23) =37312a(24) =38368a(25) =52217a(26) =56277a(27) =84480a(28) =97504a(29) =123040

External references