A140783 Digit sum of A091137(n).

1, 2, 3, 6, 9, 9, 18, 18, 27, 27, 27, 27, 45, 45, 45, 63, 54, 54, 63, 72, 54, 81, 99, 90, 81, 90, 99, 99, 99, 126, 117, 135, 189, 198, 171, 180, 171, 180, 171, 180, 189, 162, 189, 207, 180, 198, 207, 243, 261, 243, 297, 270, 243, 261, 279, 288, 324, 342, 315, 315

Offset

0,2

Links

Table of n, a(n) for n=0..59.

Formula

a(n)= A007953(A091137(n)). - R. J. Mathar, Jul 29 2008

Crossrefs

Sequence in context: A249182 A189968 A097108 * A094351 A061910 A344208

Adjacent sequences: A140780 A140781 A140782 * A140784 A140785 A140786

Keyword

nonn,base

Author

Paul Curtz, Jul 13 2008

Extensions

Edited and extended by R. J. Mathar, Jul 29 2008

Status

approved