Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 20 (most significant digit on right).
A061949
Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 20 (most significant digit on right).
Terms
- a(0) =1a(1) =2a(2) =4a(3) =5a(4) =6a(5) =10a(6) =12a(7) =14a(8) =18a(9) =19a(10) =57a(11) =119a(12) =133a(13) =209a(14) =399a(15) =437a(16) =633a(17) =1102a(18) =3517a(19) =5719a(20) =29849a(21) =38532a(22) =42759a(23) =198639a(24) =247801a(25) =421591a(26) =566561a(27) =819185a(28) =6781309
External references
- oeis: A061949