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A104403 a(0)=0; for n>0, a(n) = A102371(4n)/4. 2
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; text; internal format)
OFFSET

0,2

REFERENCES

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.

LINKS

Table of n, a(n) for n=0..19.

David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers [pdf, ps].

FORMULA

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

CROSSREFS

Sequence in context: A279974 A275746 A177496 * A301609 A144422 A327053

Adjacent sequences:  A104400 A104401 A104402 * A104404 A104405 A104406

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 18 2005

STATUS

approved

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Last modified August 22 00:43 EDT 2019. Contains 326169 sequences. (Running on oeis4.)