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A200467
Number of 0..6 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 7.
1
7, 28, 112, 448, 1792, 7140, 28434, 113193, 450812, 1795581, 7151892, 28486092, 113459436, 451907189, 1799936702, 7169108310, 28554377148, 113731374269, 452989138551, 1804244048124, 7186257254293, 28622677050945, 114003380196965
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=6:
..2....1....1....5....3....4....0....0....4....5....0....3....3....1....4....4
..6....2....6....5....4....6....1....3....4....6....4....4....5....1....5....4
..1....4....3....5....5....4....1....5....2....5....6....0....6....2....5....6
..3....2....5....1....6....6....2....1....5....5....5....1....2....5....2....1
..5....6....1....3....6....6....5....3....3....4....1....4....2....2....4....1
..4....0....3....1....6....3....3....5....0....6....4....2....5....4....2....6
CROSSREFS
Column 6 of A200469.
Sequence in context: A243150 A344206 A026642 * A002042 A200666 A207098
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 18 2011
STATUS
approved