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A194504 Number of lower triangles of an n X n 0..7 array with each element unequal to the sum mod 8 of its horizontal and vertical neighbors 0
7, 343, 118096, 282475256, 4747561509943, 558545864083284007 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A194505

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for 3X3

..2......3......7......0......6......0......3......6......5......4......7

..7.1....4.2....4.2....6.4....4.4....2.4....5.2....4.4....1.0....2.3....4.4

..6.4.1..4.3.1..2.3.6..1.7.4..5.2.5..4.3.0..6.3.7..0.7.4..0.2.1..7.6.0..0.6.0

CROSSREFS

Sequence in context: A013712 A109493 A193614 * A347505 A015479 A268309

Adjacent sequences:  A194501 A194502 A194503 * A194505 A194506 A194507

KEYWORD

nonn

AUTHOR

R. H. Hardin Aug 27 2011

STATUS

approved

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Last modified January 27 09:20 EST 2022. Contains 350607 sequences. (Running on oeis4.)