A254209 Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime

0, 27, 47, 610, 769, 4353, 9126, 25389, 33798, 85437, 105502, 224414, 342993, 608338, 731220, 1297874, 1513366, 2471660, 3316174, 4892872, 5594456, 8495902, 10580268, 14864909, 18500679, 24975320, 28034979, 39173178, 43315043, 56273764, 67819100

Offset

1,2

Comments

Row 6 of A254204

Links

R. H. Hardin, Table of n, a(n) for n = 1..124

Example

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

Crossrefs

Sequence in context: A059658 A241407 A153260 * A155137 A155138 A031325

Adjacent sequences: A254206 A254207 A254208 * A254210 A254211 A254212

Keyword

nonn

Author

R. H. Hardin, Jan 26 2015

Status

approved