The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A175360 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A175360

Partial sums of A000132.
(history; published version)

#11 by OEIS Server at Sun Jun 23 22:00:14 EDT 2024

LINKS

Chai Wah Wu, <a href="/A175360/b175360_1.txt">Table of n, a(n) for n = 0..10000</a>

#10 by N. J. A. Sloane at Sun Jun 23 22:00:14 EDT 2024

STATUS

proposed

approved

Discussion

Sun Jun 23

22:00

OEIS Server: Installed first b-file as b175360.txt.

#9 by Chai Wah Wu at Sun Jun 23 21:55:23 EDT 2024

STATUS

editing

proposed

#8 by Chai Wah Wu at Sun Jun 23 21:55:19 EDT 2024

LINKS

Chai Wah Wu, <a href="/A175360/b175360_1.txt">Table of n, a(n) for n = 0..10000</a>

STATUS

proposed

editing

#7 by Chai Wah Wu at Sun Jun 23 21:43:11 EDT 2024

STATUS

editing

proposed

#6 by Chai Wah Wu at Sun Jun 23 21:43:09 EDT 2024

PROG

(Python)

# uses Python code for A046895

from math import isqrt

def A175360(n): return A046895(n)+(sum(A046895(n-k**2) for k in range(1, isqrt(n)+1))<<1) # Chai Wah Wu, Jun 23 2024

STATUS

approved

editing

#5 by Susanna Cuyler at Sun Feb 14 01:40:44 EST 2021

STATUS

proposed

approved

#4 by Ilya Gutkovskiy at Sat Feb 13 15:48:03 EST 2021

STATUS

editing

proposed

#3 by Ilya Gutkovskiy at Sat Feb 13 15:27:53 EST 2021

FORMULA

G.f.: theta_3(x)^5 / (1 - x). - Ilya Gutkovskiy, Feb 13 2021

CROSSREFS

Cf. A000132, A055411, A122510.

STATUS

approved

editing

#2 by Russ Cox at Fri Mar 30 17:40:19 EDT 2012

AUTHOR

_R. J. Mathar (mathar(AT)strw.leidenuniv.nl), _, Apr 24 2010

Discussion

Fri Mar 30

17:40

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