A254220 Number of length 3 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal

0, 1, 3, 11, 12, 32, 48, 86, 98, 172, 183, 295, 383, 525, 559, 793, 829, 1110, 1324, 1646, 1709, 2199, 2531, 3056, 3469, 4088, 4240, 5109, 5232, 6062, 6762, 7716, 8528, 9788, 9981, 11227, 12290, 13721, 14030, 15841, 16146, 17912, 19384, 21355, 21760, 24188

Offset

1,3

Comments

Row 3 of A254218

Links

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

Example

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

Crossrefs

Sequence in context: A045110 A055046 A141386 * A119231 A177335 A031449

Adjacent sequences: A254217 A254218 A254219 * A254221 A254222 A254223

Keyword

nonn

Author

R. H. Hardin, Jan 26 2015

Status

approved