A255714 Number of length n 1..(6+2) arrays with no leading partial sum equal to a prime and no consecutive values equal.

4, 17, 75, 342, 1707, 8814, 45735, 229317, 1129024, 5744720, 30448145, 163328140, 866397895, 4515528539, 23325358076, 121500213369, 648072229596, 3549923527103, 19654222272276, 107149613713782, 565522043746019

Offset: 1

Author

R. H. Hardin, Mar 03 2015

Keywords

• nonn

Comments

Column 6 of A255716

Examples

			Some solutions for n=4
..8....8....4....6....8....1....6....8....4....4....4....8....8....1....1....8
..7....1....6....2....2....8....8....2....8....2....5....7....1....5....3....7
..6....6....8....8....8....6....6....5....6....4....3....1....5....4....4....5
..3....3....7....5....2....3....2....1....3....6....2....8....2....6....6....4
		

Links

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

Crossrefs

Cf. A255716