A158849 a(10n+m) is the integer with n+m concatenations of the digit m in base 10, 0<=m<=9.
1, 22, 333, 4444, 55555, 666666, 7777777, 88888888, 999999999, 0, 11, 222, 3333, 44444, 555555, 6666666, 77777777, 888888888, 9999999999, 0, 111, 2222, 33333, 444444, 5555555, 66666666, 777777777, 8888888888, 99999999999, 0, 1111
Offset: 1
Extensions
Edited by R. J. Mathar, Apr 04 2009