Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A026541
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A026541 a(n)=T(n,n-4), T given by A026536. Also a(n) = number of integer strings s(0),...,s(n), counted by T, such that s(n)=4. +0
1
1, 2, 9, 19, 65, 136, 430, 886, 2721, 5538, 16793, 33887, 102102, 204856, 615024, 1229280, 3682545, 7341786, 21963161, 43712603, 130648089, 259726104, 775797750, 1541084142, 4601346295, 9135694750, 27270124455, 54125522793 (list; graph; listen)
OFFSET

4,2

CROSSREFS

Adjacent sequences: A026538 A026539 A026540 this_sequence A026542 A026543 A026544

Sequence in context: A075340 A031316 A135207 this_sequence A038249 A116014 A090939

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 6 16:13 EDT 2008. Contains 144667 sequences.


AT&T Labs Research