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A104403
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a(0)=0; for n>0, a(n) = A102371(4n)/4.
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2
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0, 3, 62, 1021, 16380, 262143, 4194298, 67108857, 1073741816, 17179869179, 274877906934, 4398046511093, 70368744177652, 1125899906842615, 18014398509481970, 288230376151711729, 4611686018427387888, 73786976294838206451, 1180591620717411303406, 18889465931478580854765
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| David Applegate, Benoit Cloitre, Philippe DELEHAM 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.
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LINKS
| David Applegate, Benoit Cloitre, Philippe DELEHAM and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers [pdf, ps].
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FORMULA
| a(0) = 0; for n>0, a(n) = 2^(4n-2) - A109680(n). - Philippe DELEHAM, May 08 2005
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CROSSREFS
| Sequence in context: A089157 A068886 A177496 * A144422 A135444 A087886
Adjacent sequences: A104400 A104401 A104402 * A104404 A104405 A104406
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Apr 18 2005
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