OFFSET
1,1
COMMENTS
Row 7 of A250351
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..91
FORMULA
Empirical: a(n) = n^7 + 7*n^6 - 14*n^5 + 105*n^4 + 105*n^3 - 532*n^2 + 1252*n - 744 for n>4
EXAMPLE
Some solutions for n=4
..1....1....2....2....2....1....1....0....0....2....4....3....1....0....1....3
..3....3....1....1....3....2....4....1....4....1....2....2....3....5....4....2
..2....2....2....5....4....3....6....6....4....4....2....4....5....2....6....6
..3....4....6....7....7....7....7....5....6....6....7....6....5....3....6....4
..6....4....4....5....4....6....6....6....5....6....4....5....6....7....5....5
..5....9....6....9....9....6....7....9....6....5....5....7....6....6....7....5
..7....6...10...10....7...10...10....7....8....9....9....7....8...10...10....7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2014
STATUS
approved