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A295529
Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s.
1
21, 876, 21489, 588529, 16031147, 437241277, 11938414614, 325438086413, 8875686431050, 242075272701612, 6602021695088725, 180056949233250710, 4910676438495880068, 133928360921171032911, 3652617573522712382545
OFFSET
1,1
COMMENTS
Column 6 of A295531.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1. .0..0..1..1..0..0. .0..0..0..0..1..1. .0..0..0..0..0..0
..0..0..0..0..1..1. .0..1..0..1..1..1. .0..1..0..1..1..0. .0..0..0..0..1..1
..0..1..1..0..0..0. .0..1..1..0..0..0. .0..1..0..1..0..1. .0..0..0..1..1..1
..0..0..1..1..0..1. .0..0..1..0..0..1. .0..0..0..0..0..1. .0..0..0..0..1..0
..0..0..0..1..0..1. .0..0..1..0..0..1. .0..0..0..0..0..0. .0..0..1..1..0..0
CROSSREFS
Cf. A295531.
Sequence in context: A296384 A296641 A295038 * A296737 A202810 A204196
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 2017
STATUS
approved