Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A064602
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A064602 Partial sums of A001157: sum of sigma_2(j), j=1..n. +0
4
1, 6, 16, 37, 63, 113, 163, 248, 339, 469, 591, 801, 971, 1221, 1481, 1822, 2112, 2567, 2929, 3475, 3975, 4585, 5115, 5965, 6616, 7466, 8286, 9336, 10178, 11478, 12440, 13805, 15025, 16475, 17775, 19686, 21056, 22866, 24566, 26776, 28458, 30958 (list; graph; listen)
OFFSET

1,2

LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000

FORMULA

a(n)=a(n-1)+A001157(n)= Sum_{sigma_2(j); j=1..n} where sigma_2(j)=A001157(j)

CROSSREFS

A001157, A064605.

Sequence in context: A120586 A048487 A124699 this_sequence A058272 A049712 A092274

Adjacent sequences: A064599 A064600 A064601 this_sequence A064603 A064604 A064605

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Sep 24 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 July 25 07:41 EDT 2008. Contains 142293 sequences.


AT&T Labs Research