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A249659
Number of length 3+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four
1
2, 53, 164, 485, 1408, 3221, 6678, 12377, 20572, 33877, 51568, 74947, 105310, 143727, 195754, 259799, 336688, 428339, 536286, 671719, 828944, 1009781, 1216838, 1452459, 1732578, 2047055, 2399248, 2791887, 3227102, 3727571, 4279592, 4886643
OFFSET
1,1
COMMENTS
Row 3 of A249656
LINKS
EXAMPLE
Some solutions for n=6
..0....0....5....2....1....5....5....1....4....2....5....3....4....3....1....3
..5....2....3....0....5....1....3....5....3....3....1....6....2....5....4....4
..0....1....5....1....0....4....1....3....4....5....5....0....1....0....3....4
..3....3....1....3....3....5....4....2....6....0....4....3....0....5....4....3
..2....4....1....4....6....5....2....4....3....0....5....3....3....2....3....6
..0....5....5....2....1....5....0....6....4....2....5....3....4....3....1....3
..5....2....3....5....5....1....3....5....3....3....1....6....2....0....4....4
CROSSREFS
Sequence in context: A139844 A249657 A249658 * A249660 A249661 A249662
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2014
STATUS
approved