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A249212
T(n,k)=Number of length n+6 0..k arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five
13
126, 1792, 250, 14336, 4586, 496, 67452, 51200, 11874, 984, 242494, 294568, 183516, 30876, 1952, 714980, 1267754, 1287632, 658448, 80354, 3872, 1826748, 4353482, 6631348, 5630090, 2363528, 208876, 7680, 4173442, 12777540, 26526142, 34695508
OFFSET
1,1
COMMENTS
Table starts
...126....1792......14336.......67452.......242494........714980........1826748
...250....4586......51200......294568......1267754.......4353482.......12777540
...496...11874.....183516.....1287632......6631348......26526142.......89437990
...984...30876.....658448.....5630090.....34695508.....161678612......626273302
..1952...80354....2363528....24619804....181549572.....985612414.....4386401650
..3872..208876....8486156...107662502....950035900....6008974124....30726981418
..7680..541624...30475714...470797744...4971575032...36636435714...215266489016
.15234.1400008..109474166..2058664560..26016562386..223372525098..1508222615012
.30218.3618986..393232196..9001977388.136146815610.1361915986824.10567758194606
.59940.9363890.1412652056.39365277268.712472439202.8303744023910.74046470379458
LINKS
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +a(n-2) +a(n-3) +a(n-4) +a(n-5) +a(n-6)
EXAMPLE
Some solutions for n=3 k=4
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....1....1....1....0....0....1....0....0....0....0....0....0....0....0
..1....0....3....3....0....3....2....2....4....1....1....4....0....4....0....3
..2....0....0....4....3....3....2....2....1....2....4....1....2....3....1....4
..1....0....1....1....1....1....0....2....3....1....2....1....2....0....0....4
..1....4....3....3....3....2....4....1....2....3....2....1....3....2....3....0
..3....0....3....3....1....4....0....4....2....2....4....1....3....4....1....4
..3....2....4....4....4....0....0....1....0....4....2....2....0....0....3....0
..1....3....1....4....3....4....2....1....3....3....0....0....1....3....2....0
CROSSREFS
Column 1 is A249190
Column 2 is A249191
Sequence in context: A027814 A109146 A249197 * A249319 A249198 A249213
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Oct 23 2014
STATUS
approved