A253133 Number of length 5+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero

64, 952, 6515, 28428, 92041, 246003, 570578, 1191085, 2291766, 4133344, 7059815, 11542364, 18172847, 27698453, 41058154, 59405687, 84086912, 116790762, 159453863, 214336718, 284126387, 371920965, 481131250, 615892739, 780722246

Offset

1,1

Comments

Row 5 of A253129

Links

R. H. Hardin, Table of n, a(n) for n = 1..53

Example

Some solutions for n=5
..0....0....3....1....4....3....2....0....3....5....2....2....0....2....0....0
..0....0....0....2....0....2....4....4....0....4....5....0....2....2....3....3
..2....5....4....1....0....1....1....1....1....2....0....5....0....2....0....1
..4....3....1....1....0....1....0....4....2....5....1....4....0....5....5....4
..1....1....3....3....0....2....3....0....0....1....3....0....2....1....4....2
..4....0....1....1....0....0....1....1....3....3....5....3....2....3....2....4
..5....5....2....2....1....1....3....1....1....0....1....1....5....5....3....0

Crossrefs

Sequence in context: A027003 A265620 A358861 * A302321 A303015 A302819

Adjacent sequences: A253130 A253131 A253132 * A253134 A253135 A253136

Keyword

nonn

Author

R. H. Hardin, Dec 27 2014

Status

approved