Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A027139
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A027139 T(n,n+1) + T(n,n+2) + ... + T(n,2n), T given by A027113. +0
1
2, 7, 23, 72, 218, 648, 1907, 5581, 16290, 47502, 138521, 404183, 1180402, 3450899, 10099605, 29589780, 86781374, 254761882, 748580729, 2201465799, 6479301022, 19083705249, 56246157177, 165881453558, 489506759446 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Adjacent sequences: A027136 A027137 A027138 this_sequence A027140 A027141 A027142

Sequence in context: A037568 A076656 A085387 this_sequence A064686 A083313 A077832

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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 October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research

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