A200467 Number of 0..6 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 7.
7, 28, 112, 448, 1792, 7140, 28434, 113193, 450812, 1795581, 7151892, 28486092, 113459436, 451907189, 1799936702, 7169108310, 28554377148, 113731374269, 452989138551, 1804244048124, 7186257254293, 28622677050945, 114003380196965
Offset: 1
Keywords
Examples
Some solutions for n=6: ..2....1....1....5....3....4....0....0....4....5....0....3....3....1....4....4 ..6....2....6....5....4....6....1....3....4....6....4....4....5....1....5....4 ..1....4....3....5....5....4....1....5....2....5....6....0....6....2....5....6 ..3....2....5....1....6....6....2....1....5....5....5....1....2....5....2....1 ..5....6....1....3....6....6....5....3....3....4....1....4....2....2....4....1 ..4....0....3....1....6....3....3....5....0....6....4....2....5....4....2....6
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Crossrefs
Column 6 of A200469.