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A212471 T(n,k)=Number of 0..3 arrays of length n+2*k-1 with sum no more than 3*k in any length 2k subsequence (=50% duty cycle) 14
10, 150, 30, 2338, 486, 85, 36814, 7862, 1597, 246, 582440, 126606, 27024, 5211, 707, 9240426, 2034200, 445780, 93308, 16649, 2037, 146861788, 32644314, 7274268, 1581686, 321320, 53553, 5864, 2337014158, 523487828, 118029501, 26242268 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
....10....150.....2338.....36814.....582440.....9240426.....146861788
....30....486.....7862....126606....2034200....32644314.....523487828
....85...1597....27024....445780....7274268...118029501....1908601444
...246...5211....93308...1581686...26242268...430682205....7023308036
...707..16649...321320...5622580...95010466..1578372444...25966120647
..2037..53553..1098260..19960518..344305566..5795798788...96239314549
..5864.172980..3708268..70600212.1246724695.21292987433..357117150362
.16886.558743.12564894.248263590.4504766041.78186208521.1325550644016
LINKS
EXAMPLE
Some solutions for n=3 k=4
..0....2....2....2....2....2....2....2....0....2....0....0....0....0....0....2
..0....2....0....2....2....2....0....0....0....2....0....0....2....0....0....0
..0....2....1....2....2....0....0....0....2....1....1....0....0....1....0....3
..3....2....0....2....0....0....3....0....0....0....0....0....0....0....2....0
..1....0....0....1....0....2....2....1....2....2....0....3....0....0....1....2
..0....0....3....1....3....2....0....3....1....1....0....1....3....0....3....3
..0....0....1....0....0....1....2....0....1....0....0....0....1....0....3....0
..3....0....3....2....3....0....1....0....0....3....0....2....2....0....2....0
..2....1....2....2....0....2....1....0....2....1....3....0....3....2....0....2
..0....0....0....1....1....2....0....1....1....0....2....3....3....0....0....0
CROSSREFS
Column 1 is A006357(n+1)
Sequence in context: A098270 A262738 A271467 * A157867 A116156 A224124
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin May 17 2012
STATUS
approved

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Last modified March 28 21:57 EDT 2024. Contains 371254 sequences. (Running on oeis4.)