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”).

A219215
Number of nX6 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 nX6 array
1
21, 35, 955, 10287, 131724, 1401275, 14175675, 136413948, 1283062154, 11695541948, 102588904127, 863023412195, 6981340309288, 54544421462030, 413195108006170, 3042964253577367, 21823625042074665, 152628759842187080
OFFSET
1,1
COMMENTS
Column 6 of A219217
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..1..2..2....0..0..0..0..1..1....1..1..1..0..0..0....1..1..1..1..1..1
..0..0..0..0..0..2....0..0..0..0..1..1....1..1..1..0..0..0....0..0..0..1..0..0
..1..0..0..0..0..2....0..0..1..1..1..1....2..2..2..0..0..0....0..0..0..1..0..0
CROSSREFS
Sequence in context: A244166 A301963 A219919 * A342719 A155710 A001491
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 14 2012
STATUS
approved