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A302744 Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
16, 512, 11980, 286631, 6947036, 168799572, 4104115772, 99818649293, 2427829113648, 59052536397220, 1436349489188322, 34936780127006555, 849778519255324644, 20669440240076116148, 502749555285048546206 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 5 of A302741.
LINKS
FORMULA
Empirical recurrence of order 64 (see link above)
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..1..0..1. .0..0..0..1..1. .0..0..1..0..1. .0..0..1..1..1
..0..1..1..1..1. .1..0..1..1..1. .1..0..1..0..1. .1..0..1..0..0
..0..1..0..1..0. .0..1..0..1..0. .1..0..0..0..0. .0..1..0..1..1
..1..0..1..0..0. .1..0..0..1..1. .1..1..1..1..0. .1..0..1..0..0
CROSSREFS
Cf. A302741.
Sequence in context: A302738 A299658 A300212 * A147641 A300801 A268147
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2018
STATUS
approved

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Last modified February 26 06:43 EST 2024. Contains 370335 sequences. (Running on oeis4.)