Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A075126
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A075126 Number of bargraphs of site-perimeter n. +0
1
0, 0, 0, 1, 0, 2, 2, 4, 8, 14, 26, 52, 97, 193, 377, 752, 1500, 3022, 6107, 12429, 25365, 52042, 107090, 221235, 458316, 952439, 1984262, 4144601, 8676232, 18202536 (list; graph; listen)
OFFSET

0,6

LINKS

M. Bousquet-Melou and A. Rechnitzer, The site-perimeter of bargraphs, Adv. in Appl. Math. 31 (2003), 86-112.

FORMULA

The generating function is known in closed form. Closed, but complicated. It is proved to be non-D-finite.

CROSSREFS

Sequence in context: A036761 A042979 A000018 this_sequence A098788 A153999 A154002

Adjacent sequences: A075123 A075124 A075125 this_sequence A075127 A075128 A075129

KEYWORD

nonn

AUTHOR

Andrew Rechnitzer (a.rechnitzer(AT)ms.unimelb.edu.au), Sep 09 2002

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