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A211846
Number of nonnegative integer arrays of length n+11 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value 6
1
1, 13, 113, 785, 4755, 26163, 134164, 651814, 3035018, 13657458, 59769854, 255628486, 1072565093, 4428689165, 18041493575, 72667375995, 289905733805, 1147339718965, 4510476836460, 17634066423470, 68632042506612
OFFSET
1,2
COMMENTS
Column 5 of A211849
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....1....1....1....1....1....1....1....0....1....1....0
..1....1....1....1....1....1....1....1....1....1....1....1....1....0....1....1
..2....2....2....2....2....2....2....2....2....2....2....2....1....0....2....1
..2....1....2....2....2....2....2....2....2....2....2....2....2....2....2....2
..3....1....3....3....3....3....3....2....1....3....3....3....2....2....3....2
..3....3....3....3....3....3....2....3....1....3....3....3....2....3....3....3
..4....3....4....4....4....4....2....3....3....4....2....3....3....3....3....2
..4....4....3....4....4....4....4....3....3....4....2....4....3....4....4....2
..5....4....3....5....5....3....4....4....4....4....4....4....4....4....4....4
..5....4....5....5....4....3....4....4....4....5....4....5....4....5....5....4
..6....5....5....6....4....5....5....5....5....5....5....4....5....5....5....5
..6....5....5....5....4....5....5....5....5....6....5....4....5....6....6....5
..3....6....6....6....6....6....6....6....6....6....6....6....6....5....5....6
CROSSREFS
Sequence in context: A244763 A320463 A182022 * A196862 A021076 A125376
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 22 2012
STATUS
approved