A255718 Number of length 3 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal

1, 4, 10, 26, 33, 75, 121, 191, 242, 374, 441, 638, 842, 1092, 1240, 1616, 1794, 2256, 2709, 3229, 3526, 4276, 4951, 5788, 6598, 7567, 8128, 9388, 9984, 11282, 12584, 14076, 15589, 17422, 18337, 20249, 22147, 24312, 25518, 28121, 29422, 32110, 34717

Offset

1,2

Comments

Row 3 of A255716

Links

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

Example

Some solutions for n=4
..1....4....1....4....1....1....1....6....1....6....6....6....4....6....4....4
..5....2....5....2....5....5....3....4....3....2....3....2....5....3....6....5
..4....4....3....3....2....6....5....2....2....4....1....1....3....5....5....6

Crossrefs

Cf. A255716

Sequence in context: A145775 A283958 A335637 * A001214 A200455 A269064

Adjacent sequences: A255715 A255716 A255717 * A255719 A255720 A255721

Keyword

nonn

Author

R. H. Hardin, Mar 03 2015

Status

approved