Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A027278
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A027278 a(n) = Sum{T(n,k)*T(n,k+1)}, 0<=k<=2n-1, T given by A026568. +0
1
2, 8, 60, 312, 2030, 11752, 74174, 450292, 2829898, 17572000, 110733420, 695885000, 4403631638, 27874477216, 177101756296 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A162072 A162073 A162065 this_sequence A001415 A053871 A052622

Adjacent sequences: A027275 A027276 A027277 this_sequence A027279 A027280 A027281

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 November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research

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