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A255719
Number of length 4 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal
1
1, 6, 21, 81, 120, 342, 653, 1221, 1729, 3037, 3884, 6136, 8650, 12056, 14580, 20505, 24083, 32191, 40684, 51184, 58455, 74807, 90133, 110175, 130476, 155925, 173529, 209720, 230413, 269673, 310187, 358492, 408861, 473591, 512204, 582744, 654517
OFFSET
1,2
COMMENTS
Row 4 of A255716
LINKS
EXAMPLE
Some solutions for n=4
..6....6....4....6....1....4....6....4....4....6....1....6....6....6....4....6
..3....2....2....4....5....6....2....2....5....4....3....2....2....2....2....2
..5....1....3....5....6....4....4....6....3....6....2....6....6....1....4....4
..2....5....1....1....2....6....6....2....6....4....3....1....4....6....5....2
CROSSREFS
Sequence in context: A192144 A026628 A053768 * A134927 A108306 A199115
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 03 2015
STATUS
approved