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A245846
Number of length n 0..3 arrays with new values introduced in order from both ends, and least squares fitting to a straight line with slope zero, with a single point taken as having zero slope
1
1, 1, 2, 2, 5, 5, 15, 17, 77, 101, 551, 861, 5433, 9055, 61725, 107467, 758905, 1355573, 9770843, 17740093, 129645671, 238154311, 1758252307, 3258924505, 24252921697, 45276251763, 339138059251, 636861131319, 4796151474225, 9051310984485
OFFSET
1,3
COMMENTS
Column 3 of A245851
LINKS
EXAMPLE
Some solutions for n=12
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..1....1....1....1....0....1....1....1....1....1....1....1....1....1....1....1
..1....1....2....2....1....2....2....2....0....1....0....0....2....1....0....1
..2....2....0....0....2....3....1....1....1....2....2....2....3....0....2....2
..2....2....1....1....1....1....2....1....1....2....0....3....1....2....3....2
..2....1....2....0....2....3....3....3....2....3....1....1....1....0....3....2
..0....1....2....0....2....2....1....2....0....3....0....1....1....2....3....3
..2....2....0....0....2....3....1....2....1....3....1....3....1....1....3....1
..1....2....2....2....1....2....2....2....0....0....2....2....3....2....2....1
..2....1....1....1....0....2....2....1....1....2....1....0....2....1....0....2
..1....1....1....1....1....1....1....1....1....1....0....1....1....0....1....1
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
CROSSREFS
Sequence in context: A056471 A164904 A188164 * A245847 A245848 A245849
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 04 2014
STATUS
approved