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A249192 Number of length n+6 0..3 arrays with no seven consecutive terms having four times the sum of any three elements equal to three times the sum of the remaining four 1
14126, 49730, 175616, 620648, 2194096, 7758744, 27446576, 97142002, 343823110, 1217189036, 4309583172, 15259429154, 54032830720, 191334444394, 677549639252, 2399364764326, 8496828576138, 30089971138492, 106558849855686 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A249197

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A206837 A206899 A207289 * A204282 A134610 A104825

Adjacent sequences:  A249189 A249190 A249191 * A249193 A249194 A249195

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 23 2014

STATUS

approved

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Last modified May 26 17:16 EDT 2022. Contains 354092 sequences. (Running on oeis4.)