The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A223430 5X5X5 triangular graph without horizontal edges coloring a rectangular array: number of nX6 0..14 arrays where 0..14 label nodes of a graph with edges 0,1 0,2 1,3 1,4 2,4 2,5 3,6 3,7 4,7 4,8 5,8 5,9 6,10 6,11 7,11 7,12 8,12 8,13 9,13 9,14 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph 1
3276, 524736, 98783592, 19187276496, 3786278496752, 751323264058296, 149616234350273816, 29839681026865862852, 5957403703829431081880, 1189965844947678466659160, 237769159273718477039498984 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A223432
LINKS
EXAMPLE
Some solutions for n=3
..0..1..4..1..4..1....0..1..3..7..4..8....0..1..0..2..4..8....0..1..4..7..4..7
..1..0..1..3..7..3....1..0..1..4..7.12....1..0..2..4..2..5....1..0..1..3..7.11
..0..1..0..1..4..1....0..2..4..1..3..7....0..2..5..8..5..8....0..1..3..6..3..6
CROSSREFS
Sequence in context: A353140 A237085 A260410 * A307767 A307809 A141629
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 20 2013
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 15 01:31 EDT 2024. Contains 373402 sequences. (Running on oeis4.)