Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A074216
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A074216 Squares satisfying sigma(n)==0 (mod 3). +0
2
49, 169, 196, 361, 441, 676, 784, 961, 1225, 1369, 1444, 1521, 1764, 1849, 2704, 3136, 3249, 3721, 3844, 3969, 4225, 4489, 4900, 5329, 5476, 5776, 5929, 6084, 6241, 7056, 7396, 8281, 8649, 9025, 9409, 10609, 10816, 11025, 11881, 12321, 12544 (list; graph; listen)
OFFSET

1,1

COMMENT

Seems to contain all numbers of form k^2*p^2 where p are primes in A002476, k is not congruent to p and >=1.

CROSSREFS

Sequence in context: A134210 A009409 A009431 this_sequence A016922 A039686 A038628

Adjacent sequences: A074213 A074214 A074215 this_sequence A074217 A074218 A074219

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 17 2002

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 August 29 17:54 EDT 2008. Contains 143238 sequences.


AT&T Labs Research