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A254535
Number of length n 1..(4+2) arrays with no leading partial sum equal to a prime
1
3, 10, 40, 160, 670, 3001, 13503, 60408, 270370, 1192385, 5221700, 23404787, 108379668, 507618711, 2353392292, 10735523052, 48337299889, 216062343583, 966793284879, 4375808357962, 20209591137998, 95483805098650
OFFSET
1,1
COMMENTS
Column 4 of A254539
LINKS
EXAMPLE
Some solutions for n=4
..4....6....4....1....1....6....4....6....4....1....4....1....1....6....6....4
..2....3....2....5....5....6....6....3....2....5....6....3....3....6....2....5
..2....5....3....3....2....3....5....5....3....2....2....4....6....6....4....6
..4....4....1....3....1....5....5....1....3....4....2....2....6....2....6....6
CROSSREFS
Sequence in context: A149053 A149054 A149055 * A093639 A089005 A287887
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 01 2015
STATUS
approved