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A251207 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2 1
17152, 489772, 16687766, 667858580, 29868134632, 1430667235078, 71260903869938, 3627694408668076, 186917463235694336, 9695744269718563214, 504822291537301622030, 26339550472767837660896, 1375916534022488327846376 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A251210
LINKS
FORMULA
Empirical recurrence of order 65 (see link above)
EXAMPLE
Some solutions for n=1
..1..1..2..1..2..0....2..2..0..2..2..2....1..0..2..2..1..2....0..0..1..2..0..2
..2..0..1..2..1..1....0..2..0..0..2..0....1..0..0..0..1..2....2..2..1..0..2..2
CROSSREFS
Sequence in context: A247697 A218247 A235891 * A233993 A043621 A334310
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved

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Last modified March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)