A249210 Number of length n+6 0..6 arrays with no seven consecutive terms having five times the sum of any two elements equal to two times the sum of the remaining five.
714980, 4353482, 26526142, 161678612, 985612414, 6008974124, 36636435714, 223372525098, 1361915986824, 8303744023910, 50629052901620, 308693301728988, 1882156100884578, 11475844721645888, 69970325219439164, 426622040648813418
Offset: 1
Keywords
Examples
Some solutions for n=1 ..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0 ..6....3....3....4....2....5....2....0....4....6....3....0....1....1....3....1 ..3....3....2....1....5....2....3....6....4....3....6....0....6....4....1....3 ..4....4....4....4....5....5....2....0....4....3....5....3....0....6....3....4 ..4....4....4....3....2....5....6....2....0....1....2....4....0....1....6....1 ..6....0....3....6....0....1....4....1....4....6....0....5....1....0....2....0 ..0....4....4....6....3....2....0....6....5....3....6....5....0....4....4....0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments