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A211695
Number of nonnegative integer arrays of length n+2*3-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 3
2
1, 2, 3, 4, 7, 12, 19, 33, 59, 102, 182, 334, 608, 1121, 2109, 3979, 7564, 14581, 28292, 55245, 108972, 216521, 432839, 872163, 1769716, 3612292, 7422748, 15351002, 31928839, 66803627, 140592917, 297492390, 632896835, 1353709480, 2910262905
OFFSET
1,2
COMMENTS
Column 3 of A211700
LINKS
EXAMPLE
All solutions for n=5
..0....0....0....0....0....0....0
..0....0....0....0....0....0....0
..0....0....0....0....0....0....0
..1....1....0....0....0....1....0
..1....1....0....0....0....1....1
..1....1....0....0....1....1....1
..1....0....0....1....1....2....1
..1....0....0....1....1....2....1
..1....0....0....1....1....2....1
CROSSREFS
Sequence in context: A367691 A307970 A216604 * A261396 A357532 A018148
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 19 2012
STATUS
approved