Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A147846
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A147846 Triangular numbers n*(n+1)/2 with n or n+1 prime. +0
1
1, 3, 6, 10, 15, 21, 55, 66, 78, 136 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A000217.

Sequence in context: A051166 A152899 A061304 this_sequence A109442 A025723 A022784

Adjacent sequences: A147843 A147844 A147845 this_sequence A147847 A147848 A147849

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Nov 15 2008

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 November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.