login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A245133
Number of length n 0..7 arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope
1
8, 8, 64, 158, 1728, 5220, 66256, 217336, 2920784, 9995864, 138879808, 488324280, 6938896320, 24865974872, 359129619952, 1305229141238, 19084811616288, 70121208253128, 1035266773525472, 3836844883595142, 57090322839615456
OFFSET
1,1
COMMENTS
Column 7 of A245134
LINKS
EXAMPLE
Some solutions for n=7
..6....2....2....1....5....2....3....4....6....4....5....1....1....4....4....5
..2....5....0....5....4....6....2....0....0....7....4....6....6....3....1....3
..0....4....2....7....1....4....7....7....4....1....7....6....0....0....3....4
..3....2....6....0....5....1....7....1....6....1....6....2....4....4....5....4
..7....6....5....4....1....6....5....2....6....6....2....3....0....4....0....2
..3....4....0....2....7....2....3....7....5....6....5....3....6....4....4....7
..3....2....1....4....3....4....3....1....2....3....6....4....1....2....3....3
CROSSREFS
Sequence in context: A164683 A222957 A038286 * A183819 A215271 A202916
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 12 2014
STATUS
approved