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A153499 a(n) is the number whose binary expansion is A153500(n). 3
1, 5, 17, 85, 365, 1365, 5285, 21845, 88757, 349525, 1387157, 5592405, 22457045, 89478485, 357214805, 1431655765, 5732215637, 22906492245, 91581229397, 366503875925, 1466373418325, 5864062014805, 23453384746325, 93824992236885 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..24.

FORMULA

Empirical g.f.: -x*(64*x^6-80*x^5+16*x^4-20*x^3-6*x^2-1) / ((x-1)*(4*x-1)*(2*x^2+1)*(8*x^2+1)). - Colin Barker, Sep 17 2013

CROSSREFS

Cf. A135576, A153497, A153498, A153500.

Sequence in context: A149756 A036756 A149757 * A012782 A026685 A089923

Adjacent sequences:  A153496 A153497 A153498 * A153500 A153501 A153502

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol, Dec 27 2008

EXTENSIONS

More terms from R. J. Mathar, Feb 20 2009

STATUS

approved

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Last modified March 29 13:17 EDT 2017. Contains 284270 sequences.