Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A065018
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A065018 Sum sigma(d)^2; d|n. +0
1
1, 10, 17, 59, 37, 170, 65, 284, 186, 370, 145, 1003, 197, 650, 629, 1245, 325, 1860, 401, 2183, 1105, 1450, 577, 4828, 998, 1970, 1786, 3835, 901, 6290, 1025, 5214, 2465, 3250, 2405, 10974, 1445, 4010, 3349, 10508, 1765, 11050, 1937, 8555, 6882 (list; graph; listen)
OFFSET

1,2

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,1000

PROGRAM

(PARI) { for (n=1, 1000, a=sumdiv(n, d, sigma(d)^2); write("b065018.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 03 2009]

CROSSREFS

Cf. A029939, A062367.

Sequence in context: A019991 A164285 A069546 this_sequence A039336 A043159 A043939

Adjacent sequences: A065015 A065016 A065017 this_sequence A065019 A065020 A065021

KEYWORD

mult,nonn

AUTHOR

Vladeta Jovovic (vladeta(AT)eunet.rs), Nov 19 2001

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


AT&T Labs Research