A153499 - OEIS

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A153499

a(n) is the number whose binary expansion is A153500(n).

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

COMMENTS

Empirical g.f. confirmed similar to A153497 and A153498. - Ray Chandler, Oct 15 2024

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (5, -14, 50, -56, 80, -64).

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.