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A254541
Number of length 3 1..(n+2) arrays with no leading partial sum equal to a prime
1
1, 8, 15, 40, 49, 105, 163, 253, 307, 466, 540, 768, 997, 1283, 1442, 1862, 2051, 2562, 3053, 3627, 3936, 4749, 5465, 6368, 7230, 8270, 8848, 10189, 10805, 12187, 13557, 15138, 16715, 18646, 19585, 21596, 23572, 25845, 27081, 29803, 31136, 33942, 36650
OFFSET
1,2
COMMENTS
Row 3 of A254539
LINKS
EXAMPLE
Some solutions for n=4
..1....6....6....4....4....6....4....1....6....6....4....6....6....6....6....4
..5....3....4....6....5....6....2....5....4....2....5....3....3....3....6....2
..2....3....4....2....1....3....6....3....5....6....5....5....6....1....6....2
CROSSREFS
Sequence in context: A306599 A226151 A253767 * A137658 A275277 A341117
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 01 2015
STATUS
approved