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A249207 Number of length n+6 0..3 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 2
14336, 51200, 183516, 658448, 2363528, 8486156, 30475714, 109474166, 393232196, 1412652056, 5075187032, 18233890510, 65510631030, 235369064306, 845649181758, 3038313571704, 10916323664982, 39221255161200, 140918266479766 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A249212

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..0....0....2....2....0....2....0....2....2....2....2....2....0....2....0....2

..2....3....3....2....2....2....1....0....2....0....0....2....0....2....3....3

..2....1....0....2....2....2....2....2....2....1....2....3....0....0....2....0

..3....0....2....2....0....3....0....3....3....2....3....2....2....3....2....1

..1....2....0....0....2....0....1....3....0....2....2....2....1....0....1....0

..1....0....2....3....2....1....1....1....2....3....0....0....0....1....0....2

..1....0....3....0....0....2....3....1....1....0....0....1....3....0....2....3

..2....0....0....1....2....0....3....3....1....0....2....0....3....0....1....2

..2....2....3....2....2....3....2....2....3....1....0....1....2....3....3....2

CROSSREFS

Sequence in context: A064965 A072890 A249314 * A049442 A228468 A296813

Adjacent sequences:  A249204 A249205 A249206 * A249208 A249209 A249210

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2014

STATUS

approved

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Last modified October 18 06:01 EDT 2021. Contains 348065 sequences. (Running on oeis4.)