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A254222 Number of length 5 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal 1
1, 2, 8, 56, 70, 373, 766, 2056, 2803, 6705, 8187, 16545, 24733, 41212, 48532, 81412, 92845, 144041, 189040, 265403, 297177, 431956, 529070, 713448, 869044, 1126558, 1239341, 1658996, 1795709, 2254484, 2659181, 3286796, 3820778, 4762245, 5091242 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A254218

LINKS

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

EXAMPLE

Some solutions for n=4

..6....6....4....1....6....6....1....6....1....4....4....6....4....1....6....1

..2....4....6....5....4....2....5....2....3....2....2....3....5....5....2....3

..4....5....5....3....6....4....6....4....4....6....3....1....6....4....6....2

..2....3....6....5....5....3....3....6....2....4....5....2....3....2....2....3

..4....6....4....1....1....1....1....4....6....6....4....6....6....4....6....1

CROSSREFS

Sequence in context: A081667 A117496 A117564 * A023179 A009298 A306087

Adjacent sequences:  A254219 A254220 A254221 * A254223 A254224 A254225

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 26 2015

STATUS

approved

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Last modified June 13 10:36 EDT 2021. Contains 344988 sequences. (Running on oeis4.)