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A229391
Number of nX7 0..3 arrays of the sum of the corresponding element, the element to the east and the element to the south in a larger (n+1)X8 0..1 array
1
6528, 4346752, 1353901580, 358453456908, 93250181644300, 24062262212427788, 6184286713271025676, 1586293889549249544204, 406490146565253022875660, 104112538108301161330114572, 26659345510937391379492372492
OFFSET
1,1
COMMENTS
Column 7 of A229392
LINKS
FORMULA
Empirical: a(n) = 385*a(n-1) -33152*a(n-2) +33024*a(n-3) -98560*a(n-4) +8486912*a(n-5) -8388608*a(n-6) for n>9
EXAMPLE
Some solutions for n=2
..0..0..1..2..0..1..2....0..0..0..1..1..2..3....0..0..1..1..2..2..1
..1..1..2..2..1..0..1....1..1..1..3..3..3..2....1..1..1..2..2..3..3
CROSSREFS
Sequence in context: A260979 A034627 A223217 * A363909 A101704 A147872
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 21 2013
STATUS
approved