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A213464
T(n,k)=Number of 0..3 arrays of length n+2*k-1 with sum less than 3*k in any length 2k subsequence (=less than 50% duty cycle)
14
6, 106, 14, 1758, 310, 31, 28722, 5542, 927, 70, 466136, 94238, 18018, 2735, 157, 7536790, 1568984, 319078, 58898, 7803, 353, 121573668, 25829770, 5444644, 1091036, 191573, 22506, 793, 1957953138, 422335348, 91147915, 19105020, 3737885
OFFSET
1,1
COMMENTS
Table starts
....6....106....1758.....28722.....466136.....7536790....121573668
...14....310....5542.....94238....1568984....25829770....422335348
...31....927...18018....319078....5444644....91147915...1508740928
...70...2735...58898...1091036...19105020...325333429...5451265872
..157...7803..191573...3737885...67329406..1167362677..19808276303
..353..22506..615561..12773955..237475982..4198162231..72188618371
..793..65425.1940673..43399990..836356119.15103463125.263422708979
.1782.190318.6155514.146145812.2935825527.54284048195.961420842175
LINKS
EXAMPLE
Some solutions for n=3 k=4
..2....0....2....0....0....0....2....0....0....2....0....0....0....2....0....0
..2....2....0....2....1....2....2....0....0....0....0....1....1....2....2....0
..2....1....0....0....0....3....0....0....0....0....0....2....0....1....1....0
..1....3....1....1....0....0....0....2....0....0....2....0....0....1....1....1
..1....1....1....3....2....0....2....2....0....3....3....0....0....1....0....2
..0....1....3....1....2....2....1....2....0....0....0....0....0....2....2....0
..1....0....0....0....1....0....1....0....0....0....1....0....2....1....1....1
..1....1....0....0....1....0....3....0....0....2....0....2....2....0....2....2
..2....0....2....1....3....0....2....1....2....2....1....0....2....2....2....2
..3....3....0....3....0....2....1....3....2....3....2....0....2....1....1....2
CROSSREFS
Column 1 is A006356(n+1)
Sequence in context: A075068 A376331 A055763 * A213465 A214349 A305134
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jun 12 2012
STATUS
approved