A254536 Number of length n 1..(5+2) arrays with no leading partial sum equal to a prime.

3, 11, 49, 222, 1087, 5604, 29038, 150268, 764508, 3857845, 19929265, 106104895, 569770022, 3029774261, 15881356126, 82383422858, 426844152225, 2236312098278, 11968665825174, 65501399826033, 362497354225241, 1992577785640176

Offset: 1

Author

R. H. Hardin, Feb 01 2015

Keywords

• nonn

Comments

Column 5 of A254539

Examples

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

Links

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