A200671 Number of 0..n arrays x(0..6) of 7 elements with each no smaller than the sum of its three previous neighbors modulo (n+1).

25, 176, 1076, 3650, 11516, 29536, 70412, 145431, 291683, 534853, 956522, 1600651, 2633406, 4126715, 6386960, 9505210, 14002011, 20025031, 28396896, 39265235, 53923628, 72565437, 97086596, 127619975, 166939721, 215170884, 276186538

Offset: 1

Author

R. H. Hardin Nov 20 2011

Keywords

• nonn

Comments

Row 7 of A200668

Examples

			Some solutions for n=6
..1....0....0....3....1....0....0....5....0....1....1....2....5....2....5....1
..6....1....1....4....1....2....1....6....2....6....6....5....5....5....5....6
..4....3....1....1....5....6....2....5....6....4....5....3....5....2....5....0
..5....6....2....6....1....6....4....4....6....5....5....3....5....5....5....5
..5....6....6....4....4....3....2....5....0....4....4....4....4....6....1....4
..6....2....6....5....4....6....1....6....6....6....5....4....5....6....5....6
..2....5....1....4....4....4....1....3....6....6....3....5....2....6....6....2
		

Links

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