A249463 Number of length n+4 0..5 arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.
6730, 35322, 185982, 980718, 5174842, 27309702, 144140836, 760833398, 4016197550, 21200828116, 111916666626, 590797789556, 3118776430716, 16463816131498, 86911505863698, 458800889433320, 2421984333500072
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0....0....3....3....0....3....1....1....0....1....3....3....0....1....0....0 ..0....5....1....0....1....0....3....3....4....4....0....4....2....3....4....0 ..5....3....0....4....5....3....2....0....4....1....0....0....1....3....3....0 ..1....0....2....5....4....4....2....0....1....1....5....0....5....4....3....1 ..3....3....0....2....0....0....0....2....0....1....4....1....0....1....1....1 ..1....5....4....5....1....0....1....1....3....5....2....4....1....1....3....4 ..4....2....5....3....1....2....2....1....3....1....4....5....3....0....3....1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments