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A222461
Number of nX5 0..7 arrays with no entry increasing mod 8 by 7 rightwards or downwards, starting with upper left zero
2
2401, 23931607, 238535974201, 2377584520856755, 23698346512668445387, 236211004301185098853381, 2354410613553773007691517269, 23467362808156794232691794722151, 233908696299327013910964536639599807
OFFSET
1,1
COMMENTS
Column 5 of A222462
LINKS
FORMULA
Empirical: a(n) = 10754*a(n-1) -8060499*a(n-2) +2219242223*a(n-3) -245682627864*a(n-4) +5798947687589*a(n-5) +448113231493438*a(n-6) -2763020698450992*a(n-7)
EXAMPLE
Some solutions for n=3
..0..0..4..4..1....0..0..0..1..2....0..0..4..0..1....0..0..0..3..4
..0..0..0..4..5....0..0..0..1..4....0..0..0..4..7....0..0..0..3..1
..0..0..0..2..2....0..0..0..1..5....0..0..0..1..2....0..0..0..1..2
CROSSREFS
Sequence in context: A061210 A226092 A097015 * A013845 A352730 A031776
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 21 2013
STATUS
approved