A004156 Odd numbers written backwards.

1, 3, 5, 7, 9, 11, 31, 51, 71, 91, 12, 32, 52, 72, 92, 13, 33, 53, 73, 93, 14, 34, 54, 74, 94, 15, 35, 55, 75, 95, 16, 36, 56, 76, 96, 17, 37, 57, 77, 97, 18, 38, 58, 78, 98, 19, 39, 59, 79, 99, 101, 301, 501, 701, 901, 111, 311, 511, 711, 911, 121, 321, 521

Offset

0,2

Links

Table of n, a(n) for n=0..62.

Formula

a(n) = A004086(A005408(n)). - Michel Marcus, Apr 05 2014

Crossrefs

Cf. A005408.

Sequence in context: A229364 A029660 A264734 * A081936 A238795 A265079

Adjacent sequences: A004153 A004154 A004155 * A004157 A004158 A004159

Keyword

nonn,base

Author

N. J. A. Sloane

Extensions

More terms from Eric M. Schmidt, Apr 04 2014

Status

approved