A219469 Number of nX6 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..3 nX6 array.
56, 1248, 143718, 14696377, 1222433026, 86755752059, 5432184254977, 310024709155795, 16405518197790913, 811074258908798713, 37650885062774172715, 1649171050584662652825, 68487713712896868019851
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..1..2..2..1....0..0..0..2..2..2....0..0..0..2..2..2....0..0..0..1..1..0 ..1..2..0..0..1..1....0..2..2..2..1..1....0..0..1..2..1..1....0..0..1..0..0..0 ..0..0..0..0..1..1....3..3..3..3..0..0....0..0..2..3..1..3....1..3..1..0..1..3
Links
- R. H. Hardin, Table of n, a(n) for n = 1..15
Comments