The On-Line Encyclopedia of Integer Sequences® (OEIS®)

Revision History for A320202 (Underlined text is an addition; strikethrough text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A320202

Number of integer solutions to a^2 + 2*b^2 + 4*c^2 + 14*d^2 = n.
(history; published version)

#11 by Bruno Berselli at Mon Oct 08 02:51:25 EDT 2018

STATUS

proposed

approved

#10 by Seiichi Manyama at Sun Oct 07 22:03:56 EDT 2018

STATUS

editing

proposed

#9 by Seiichi Manyama at Sun Oct 07 22:03:53 EDT 2018

LINKS

Seiichi Manyama, <a href="/A320202/b320202.txt">Table of n, a(n) for n = 0..10000</a>

STATUS

approved

editing

#8 by Bruno Berselli at Sun Oct 07 12:51:22 EDT 2018

STATUS

reviewed

approved

#7 by Joerg Arndt at Sun Oct 07 12:37:59 EDT 2018

STATUS

proposed

reviewed

#6 by Seiichi Manyama at Sun Oct 07 11:54:59 EDT 2018

STATUS

editing

proposed

#5 by Seiichi Manyama at Sun Oct 07 11:47:42 EDT 2018

FORMULA

G.f.: theta_3(q) * theta_3(q^2) * theta_3(q^4) * theta_3(q^14).

#4 by Seiichi Manyama at Sun Oct 07 11:43:07 EDT 2018

COMMENTS

a(n) > 0 for n >= 0.

#3 by Seiichi Manyama at Sun Oct 07 11:40:43 EDT 2018

CROSSREFS

#2 by Seiichi Manyama at Sun Oct 07 11:35:36 EDT 2018

	NAME	`allocatedNumber of integer forsolutions Seiichito Manyamaa^2 + 2b^2 + 4c^2 + 14*d^2 = n.`
	DATA	`1, 2, 2, 4, 4, 4, 8, 8, 6, 6, 8, 4, 8, 12, 2, 12, 16, 16, 18, 20, 24, 24, 36, 20, 24, 22, 24, 40, 16, 20, 24, 32, 26, 40, 32, 24, 60, 36, 40, 36, 40, 40, 48, 28, 8, 52, 12, 48, 56, 34, 34, 48, 72, 28, 80, 40, 34, 60, 44, 60, 24, 60, 64, 76, 44, 36, 80, 60, 96, 88, 48, 56`
	OFFSET	`0,2`
	KEYWORD	`allocated` `nonn`
	AUTHOR	`Seiichi Manyama, Oct 07 2018`
	STATUS	`approved` `editing`

Last modified August 30 11:14 EDT 2024. Contains 375543 sequences. (Running on oeis4.)