Greetings from
The On-Line Encyclopedia of Integer Sequences
!
Hints
Search:
id:A153918
Displaying 1-1 of 1 results found.
page 1
Format:
long
| short |
internal
|
text
Sort: relevance |
references
|
number
Highlight: on |
off
A153918
Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 2 ones in any 5 X 5 X 5 subtriangle.
+0
1
1, 2, 3, 6, 8, 13, 27, 79, 206, 623, 1643, 6478, 21771, 102958, 407720, 2191304, 10858499, 72602092, 437224300, 3520328145, 25109099300, 244666233084, 2097356566526, 24692650522065, 255493996817129, 3611171350858856
(
list
;
graph
;
listen
)
page 1
Search completed in 0.001 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 20 13:54 EST 2009. Contains 171081 sequences.
AT&T Labs Research
Legal Notice
© 2009 AT&T Intellectual Property.
All Rights Reserved.
