A254201
Number of length n 1..(5+2) arrays with no leading or trailing partial sum equal to a prime.
Original entry on oeis.org
3, 4, 18, 59, 204, 769, 3098, 14080, 63868, 261240, 1030917, 4350280, 20376408, 100217091, 480075932, 2180836235, 9678232728, 44364200452, 215530397762, 1076559054832, 5260403805411, 24406081179847
Offset: 1
Some solutions for n=4
..1....6....4....1....1....4....4....4....6....6....1....1....4....6....1....6
..5....4....4....5....3....2....5....2....2....6....5....7....6....2....7....4
..6....4....2....4....5....3....3....6....6....4....3....2....6....4....7....5
..4....6....6....6....1....1....6....6....6....4....1....6....6....4....1....1
A254202
Number of length n 1..(6+2) arrays with no leading or trailing partial sum equal to a prime.
Original entry on oeis.org
4, 11, 47, 195, 898, 4353, 22189, 112015, 542397, 2658643, 13811570, 74759723, 402860778, 2116039998, 11034558825, 58963729401, 324783927568, 1798939119729, 9744887456018, 51258432916302, 268071351841619, 1461410535224478
Offset: 1
Some solutions for n=4
..8....4....8....4....8....6....6....6....1....8....4....4....8....1....8....4
..4....4....6....8....8....2....3....6....3....4....4....5....6....5....1....2
..6....2....2....4....4....6....7....8....4....6....8....3....7....2....3....6
..4....6....4....6....8....8....8....1....8....6....4....6....1....8....6....8
A254203
Number of length n 1..(7+2) arrays with no leading or trailing partial sum equal to a prime.
Original entry on oeis.org
5, 16, 68, 315, 1653, 9126, 50166, 266060, 1445197, 8388620, 49943639, 291356973, 1672450652, 9817427902, 60070829938, 373040809711, 2261787393319
Offset: 1
Some solutions for n=4
..8....9....6....4....6....9....8....9....4....4....1....4....9....8....4....8
..7....7....2....2....4....9....6....9....8....2....8....8....7....4....6....4
..6....5....7....3....6....7....4....9....8....2....9....9....6....6....4....6
..9....9....9....1....6....9....8....9....8....8....9....1....8....4....4....6
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