Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A153905
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A153905 Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with no more than 1 one in any 5 X 5 X 5 subtriangle. +0
1
1, 2, 1, 1, 2, 1, 2, 5, 6, 9, 17, 17, 26, 58, 75, 126, 312, 396, 728, 2092, 2615, 5251, 16697, 25367, 59223, 199945, 337534, 830329, 2967422, 5495637, 14867026 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A049824 A133087 A153919 this_sequence A165357 A048996 A111786

Adjacent sequences: A153902 A153903 A153904 this_sequence A153906 A153907 A153908

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Jan 03 2009

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 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research

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