Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A009692
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A009692 Number of partitions of {1, 2, ..., 2n} into pairs whose differences are primes. +0
1
0, 1, 3, 10, 40, 153, 921, 5144, 30717, 230748, 1766056, 14052445, 116580521 (list; graph; listen)
OFFSET

1,3
CROSSREFS

Sequence in context: A054912 A093463 A099763 this_sequence A093639 A089005 A088300

Adjacent sequences: A009689 A009690 A009691 this_sequence A009693 A009694 A009695

KEYWORD

nonn,hard

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research

Legal Notice
© 2007 AT&T Knowledge Ventures. All Rights Reserved.