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A254223 Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal 1
0, 2, 6, 136, 192, 1472, 3720, 11182, 16698, 44652, 58174, 129560, 207946, 379126, 471170, 858104, 1025788, 1709908, 2349342, 3507974, 4085852, 6291688, 7972036, 11313026, 14262670, 19396782, 22025082, 31062140, 34653076, 45272262, 55014664 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A254218

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..131

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A288185 A274695 A156515 * A206849 A090907 A159478

Adjacent sequences:  A254220 A254221 A254222 * A254224 A254225 A254226

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 26 2015

STATUS

approved

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Last modified June 15 12:29 EDT 2021. Contains 345048 sequences. (Running on oeis4.)