login
A254209
Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime
1
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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 26 2015
STATUS
approved