login
A211832
Number of nonnegative integer arrays of length n+5 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value 5
1
1, 22, 289, 2997, 27312, 231046, 1874580, 14904776, 117918244, 938764343, 7584314256, 62571430262, 529504655127, 4609739350977, 41356047158995, 382634653400446, 3651204088678672, 35918296393466763, 364017008486567355
OFFSET
1,2
COMMENTS
Column 4 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....1....1....1....1....1....1....1....1....1....1....1
..2....2....2....2....2....2....2....2....2....2....2....2....2....2....2....2
..3....3....3....3....1....0....3....2....3....3....3....3....2....3....3....1
..4....4....4....4....3....3....0....3....4....4....4....4....3....4....1....3
..1....3....1....5....0....3....4....4....1....5....5....5....4....0....4....4
..5....0....5....3....4....4....2....4....3....1....1....4....5....5....0....5
..4....5....6....0....5....5....5....5....5....0....3....2....5....5....5....5
CROSSREFS
Sequence in context: A020922 A258461 A320549 * A211559 A333063 A022746
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 21 2012
STATUS
approved