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A305486 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero. 1
3, 70, 137, 195, 2094, 7007, 16464, 91350, 348956, 1047508, 4508452, 17741919, 60248568, 237122355, 928231841, 3353015080, 12819796262, 49662120190, 184865377971, 701774848637, 2697667496175, 10183982612578, 38658538187132 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A305489.
LINKS
FORMULA
Empirical recurrence of order 97 (see link above)
EXAMPLE
Some solutions for n=5
..0..1..0..0..1. .0..1..1..0..1. .0..0..0..0..0. .0..1..0..0..1
..1..1..1..0..1. .0..0..1..0..0. .1..1..1..1..1. .1..1..1..0..1
..1..1..1..1..1. .1..1..1..1..1. .1..1..1..1..1. .1..1..1..1..1
..0..1..1..0..1. .0..1..1..0..1. .0..0..1..1..0. .0..0..1..1..0
..0..0..1..0..0. .0..0..1..1..1. .0..1..1..0..0. .0..1..1..0..0
CROSSREFS
Cf. A305489.
Sequence in context: A247031 A037109 A304146 * A132793 A305086 A316737
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 02 2018
STATUS
approved

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Last modified November 28 04:05 EST 2023. Contains 367394 sequences. (Running on oeis4.)