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A263512
Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 filled by rows with each element moved a city block distance of 0 or 1.
0
3, 35, 2076, 489294, 529329240, 2543460828164, 55588636099730695, 5525569263450576586033
OFFSET
1,1
COMMENTS
Diagonal of A263519.
EXAMPLE
Some solutions for n=3
..0..1..3..7....0..1..6..7....0..1..6..7....0..1..2..3....0..1..3..7
..8..4..2..6....5..4..2..3....4..5..2..3....4..6..5..7....4..5..2..6
.12..5.11.10....8.13.14.10....8..9.10.11....9..8.11.10....9..8.11.10
.13..9.14.15...12..9.15.11...12.13.14.15...13.12.15.14...13.12.14.15
CROSSREFS
Cf. A263519.
Sequence in context: A125530 A334253 A068726 * A093583 A184458 A132940
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 19 2015
STATUS
approved