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A265477 Number of nX5 0..n+5-2 arrays with upper left zero and lower right n+5-2 and each element differing from its diagonal and antidiagonal neighbors by one or two. 1
125, 4900, 498520, 128323584, 4131348480, 3136398496144, 63552226862294, 83329856800206769, 483221758595102972, 2349207562860745230400, 10865276340207974040000, 68734768761934621856452804 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A265480.
LINKS
EXAMPLE
Some solutions for n=2
..0..2..3..4..2....0..4..4..3..2....0..4..3..4..3....0..5..3..3..4
..0..1..3..1..5....2..2..5..3..5....5..1..3..2..5....4..1..4..2..5
CROSSREFS
Cf. A265480.
Sequence in context: A017451 A241034 A265931 * A017583 A046232 A102076
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2015
STATUS
approved

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Last modified July 25 15:41 EDT 2024. Contains 374612 sequences. (Running on oeis4.)