A254545 Number of length 7 1..(n+2) arrays with no leading partial sum equal to a prime

11, 329, 1466, 13503, 29038, 121774, 297210, 758766, 1313695, 3093457, 4829568, 9589613, 16150714, 27683578, 39103727, 66543164, 90003312, 142167902, 204453789, 297719303, 382646786, 565510545, 762020095, 1058506627, 1394748594

Offset

1,1

Comments

Row 7 of A254539

Links

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

Example

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

Crossrefs

Sequence in context: A268551 A108274 A295171 * A160293 A084944 A107441

Adjacent sequences: A254542 A254543 A254544 * A254546 A254547 A254548

Keyword

nonn

Author

R. H. Hardin, Feb 01 2015

Status

approved