A219772 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array

7, 18, 189, 1887, 17259, 147012, 1163030, 8624956, 60333410, 399317172, 2503952448, 14900183092, 84344722793, 455482339940, 2353553187435, 11669724873155, 55672849062701, 256177163036963, 1139527386994434

Offset

1,1

Comments

Column 7 of A219773

Links

R. H. Hardin, Table of n, a(n) for n = 1..97

Example

Some solutions for n=3
..0..0..0..0..0..1..1....0..0..0..0..0..1..1....0..0..0..0..0..1..1
..0..0..0..0..0..1..1....0..0..0..0..0..0..0....0..0..0..1..1..0..0
..0..1..0..0..0..1..1....0..1..0..0..0..0..0....0..0..1..0..0..0..0

Crossrefs

Sequence in context: A198023 A202761 A196219 * A219290 A156238 A156295

Adjacent sequences: A219769 A219770 A219771 * A219773 A219774 A219775

Keyword

nonn

Author

R. H. Hardin Nov 27 2012

Status

approved