A249204 Number of length 7+6 0..n 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

7680, 541624, 27446576, 443680650, 4711821902, 33817920836, 199757196902, 939006162914, 3753218696852, 13084726941224, 41090610115994, 117097727540462, 310865826679926, 775082884337384, 1824048979971230

Offset

1,1

Comments

Row 7 of A249197

Links

Table of n, a(n) for n=1..15.

Example

Some solutions for n=1
..0....0....0....1....1....1....1....1....1....1....1....0....1....1....0....1
..0....0....0....1....1....0....0....1....1....0....0....0....1....0....0....1
..1....1....0....1....1....0....1....1....1....0....0....1....1....0....0....0
..1....1....0....0....1....1....0....1....1....0....0....1....0....1....1....1
..1....1....1....1....0....1....0....1....0....1....1....0....1....0....1....1
..0....0....1....1....0....0....0....0....1....0....1....1....0....0....1....0
..1....1....1....1....1....1....0....1....0....0....0....0....1....1....1....0
..1....1....1....1....1....0....0....1....1....0....0....0....1....1....0....0
..0....0....0....0....1....0....1....0....0....1....0....1....0....0....1....0
..1....0....1....1....1....0....0....1....1....1....1....0....0....1....1....0
..0....1....0....1....1....1....0....1....1....0....1....1....0....1....0....0
..0....1....0....1....1....0....1....0....0....0....1....1....0....1....0....1
..0....1....1....0....0....1....1....1....1....1....0....1....0....1....0....1

Crossrefs

Sequence in context: A232254 A008774 A229508 * A249326 A249219 A076339

Adjacent sequences: A249201 A249202 A249203 * A249205 A249206 A249207

Keyword

nonn

Author

R. H. Hardin, Oct 23 2014

Status

approved