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Revision History for A000604 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A000604 Number of nonnegative solutions to x^2 + y^2 + z^2 <= n^2.
(history; published version)
#28 by Alois P. Heinz at Sun Sep 29 13:06:18 EDT 2019
STATUS

proposed

approved

#27 by Michel Marcus at Sun Sep 29 12:31:36 EDT 2019
STATUS

editing

proposed

#26 by Michel Marcus at Sun Sep 29 12:31:32 EDT 2019
EXTENSIONS

More terms from David W. Wilson, May 22, 2000

STATUS

proposed

editing

#25 by Andrew Howroyd at Sun Sep 29 12:27:17 EDT 2019
STATUS

editing

proposed

#24 by Andrew Howroyd at Sun Sep 29 11:58:30 EDT 2019
CROSSREFS

Column k=3 of A302998.

AUTHOR

_N. J. A. Sloane_._

STATUS

approved

editing

#23 by N. J. A. Sloane at Mon Apr 16 19:04:41 EDT 2018
STATUS

proposed

approved

#22 by Ilya Gutkovskiy at Sun Apr 15 14:52:44 EDT 2018
STATUS

editing

proposed

#21 by Ilya Gutkovskiy at Sun Apr 15 14:17:18 EDT 2018
FORMULA

a(n) = [x^(n^2)] (1 + theta_3(x))^3/(8*(1 - x)), where theta_3() is the Jacobi theta function. - Ilya Gutkovskiy, Apr 15 2018

STATUS

approved

editing

#20 by Bruno Berselli at Wed Feb 10 08:13:08 EST 2016
STATUS

proposed

approved

#19 by Jean-François Alcover at Wed Feb 10 07:50:28 EST 2016
STATUS

editing

proposed

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Last modified August 29 14:31 EDT 2024. Contains 375517 sequences. (Running on oeis4.)