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A259425
Number of (n+1)X(6+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111
1
5116, 244228, 11155819, 516880938, 23840819225, 1101527291223, 50866278137234, 2349427850331898, 108508759637883502, 5011650686139055977, 231469252522568886300, 10690739165994474824625, 493766694363268100694125
OFFSET
1,1
COMMENTS
Column 6 of A259427
FORMULA
Empirical recurrence of order 62 (see link above)
EXAMPLE
Some solutions for n=1
..1..0..0..0..1..1..1....1..0..0..1..1..1..0....0..1..0..1..0..1..1
..1..1..1..0..0..1..0....1..0..0..1..0..0..0....0..0..0..1..0..1..0
CROSSREFS
Sequence in context: A261462 A215839 A258729 * A195653 A187030 A237328
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 26 2015
STATUS
approved