A104403 a(0)=0; for n>0, a(n) = A102371(4n)/4.

0, 3, 62, 1021, 16380, 262143, 4194298, 67108857, 1073741816, 17179869179, 274877906934, 4398046511093, 70368744177652, 1125899906842615, 18014398509481970, 288230376151711729, 4611686018427387888, 73786976294838206451, 1180591620717411303406, 18889465931478580854765

Offset: 0

Author

N. J. A. Sloane, Apr 18 2005

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 0..250 (calculated from the b-file at A102371)
• David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers [pdf, ps].
• David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers, J. Integer Seq. 8 (2005), no. 3, Article 05.3.6, 15 pp.

Crossrefs

Cf. A102371, A109680.

Formula

a(0) = 0; for n>0, a(n) = 2^(4n-2) - A109680(n). - Philippe Deléham, May 08 2005