A161761 Binary representation of A139224(n).

11, 10101, 111010001, 1111101000001, 1111111111101000000000001, 111111111111111010000000000000001, 1111111111111111101000000000000000001, 1111111111111111111111111111101000000000000000000000000000001

Offset: 1

Author

Juri-Stepan Gerasimov, Jun 18 2009

Keywords

• nonn
• base

Crossrefs

Cf. A000396, A000668, A139224, A061652.

Extensions

Keyword:base added by R. J. Mathar, May 21 2010