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A249231 Number of length n+5 0..6 arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four 1
81402, 400152, 1974784, 9772492, 48456384, 240606388, 1195936390, 5953728172, 29645835078, 147647019270, 735475715394, 3664294879296, 18259360405130, 91013602227502, 453682441490706, 2261613670033096, 11274675154790034 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A249233

LINKS

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

EXAMPLE

Some solutions for n=1

..5....5....3....1....4....1....0....3....2....0....2....5....0....4....2....2

..2....6....0....4....4....4....3....2....6....2....6....0....2....3....4....1

..0....6....5....4....2....0....5....4....3....2....6....6....1....0....3....0

..0....5....1....3....6....2....5....3....5....6....1....5....1....5....6....2

..1....5....4....5....6....2....5....1....5....1....4....6....0....3....3....2

..5....4....0....5....3....2....1....1....1....0....0....1....1....1....1....6

CROSSREFS

Sequence in context: A274033 A029752 A043608 * A237934 A134122 A138044

Adjacent sequences:  A249228 A249229 A249230 * A249232 A249233 A249234

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2014

STATUS

approved

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Last modified January 28 12:53 EST 2022. Contains 350656 sequences. (Running on oeis4.)