The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A153499 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A153499

a(n) is the number whose binary expansion is A153500(n).
(history; published version)

#9 by Ray Chandler at Tue Oct 15 14:28:34 EDT 2024

STATUS

editing

approved

#8 by Ray Chandler at Tue Oct 15 14:28:21 EDT 2024

COMMENTS

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

LINKS

<a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (5, -14, 50, -56, 80, -64).

STATUS

approved

editing

#7 by Joerg Arndt at Tue Sep 17 06:40:46 EDT 2013

STATUS

proposed

approved

#6 by Colin Barker at Tue Sep 17 05:18:15 EDT 2013

STATUS

editing

proposed

#5 by Colin Barker at Tue Sep 17 05:18:07 EDT 2013

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

STATUS

approved

editing

#4 by Russ Cox at Fri Mar 30 17:39:47 EDT 2012

EXTENSIONS

More terms from _R. J. Mathar (mathar(AT)strw.leidenuniv.nl), _, Feb 20 2009

Discussion

Fri Mar 30

17:39

OEIS Server: https://oeis.org/edit/global/190

#3 by Russ Cox at Fri Mar 30 17:33:58 EDT 2012

AUTHOR

_Omar E. Pol (info(AT)polprimos.com), _, Dec 27 2008

Discussion

Fri Mar 30

17:33

OEIS Server: https://oeis.org/edit/global/157

#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

DATA

1, 5, 17, 85, 365, 1365, 5285, 21845, 88757, 349525, 1387157, 5592405, 22457045, 89478485, 357214805, 1431655765, 5732215637, 22906492245, 91581229397, 366503875925, 1466373418325, 5864062014805, 23453384746325, 93824992236885

KEYWORD

easy,more,nonn,new

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 20 2009

#1 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

NAME

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

DATA

1, 5, 17, 85, 365, 1365, 5285, 21845, 88757, 349525

OFFSET

1,2

CROSSREFS

Cf. A135576, A153497, A153498, A153500.

KEYWORD

easy,more,nonn,new

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Dec 27 2008

STATUS

approved