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A269108
Number of n X 7 0..3 arrays with some element plus some horizontally or vertically adjacent neighbor totalling three no more than once.
1
8748, 8787660, 6482020140, 4227147007836, 2579398703502996, 1509593256271433868, 858502190008810133292, 478110059855042497842996, 262048541877700400412558012, 141832398849461215193264315676
OFFSET
1,1
COMMENTS
Column 7 of A269109.
FORMULA
Empirical recurrence of order 64 (see link above).
EXAMPLE
Some solutions for n=1
..2..1..0..2..2..2..0. .0..1..1..2..3..1..3. .3..3..1..3..0..0..2
CROSSREFS
Cf. A269109.
Sequence in context: A269193 A269142 A269200 * A269288 A234148 A205254
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 19 2016
STATUS
approved