Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A144887
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A144887 Row sums of triangle A144886 (S1hat(4)). +0
3
1, 5, 25, 161, 1081, 8745, 75305, 741961, 7904201, 93174025, 1185282185, 16364262281, 242055376521, 3834244039305, 64590031280265, 1154392672267401, 21796700933039241, 433694961594395785, 9066521908425387145, 198692729793556061321 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n)=sum(A144886(n,m),m=1..n), n>=1.

CROSSREFS

Sequence in context: A097145 A085644 A137963 this_sequence A134007 A125794 A109793

Adjacent sequences: A144884 A144885 A144886 this_sequence A144888 A144889 A144890

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Oct 09 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 December 18 21:37 EST 2009. Contains 171024 sequences.


AT&T Labs Research