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A211834
Number of nonnegative integer arrays of length n+7 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value 7
1
1, 37, 788, 12766, 175475, 2166176, 24849643, 270933321, 2852364142, 29340598142, 297602954356, 2998618104051, 30198209060446, 305533574485078, 3119275055324536, 32252560067938347, 338774895842470322
OFFSET
1,2
COMMENTS
Column 6 of A211836
LINKS
EXAMPLE
Some solutions for n=3
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....1....1....1....1....0....1....1....1....1....1....1....1....1....1....1
..2....2....2....2....2....1....2....2....2....2....2....2....2....2....2....2
..3....3....3....3....3....2....3....3....3....3....3....3....3....3....3....3
..4....4....4....4....4....3....4....1....4....4....4....4....4....4....4....4
..1....5....5....5....1....4....2....4....3....5....5....5....5....0....5....5
..4....6....6....5....5....5....5....5....5....0....6....0....2....5....6....1
..5....2....0....6....6....4....5....2....6....0....3....6....6....6....2....3
..6....7....7....7....7....6....6....6....7....6....7....7....7....7....3....6
..7....7....1....1....3....7....7....7....6....7....0....2....6....7....7....7
CROSSREFS
Sequence in context: A225971 A258463 A320551 * A216439 A333065 A251105
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 21 2012
STATUS
approved