A263601 Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order.

27, 13455, 1880912, 248766606, 40226420700, 6430889476830, 997089350659935, 155066286980838574, 24289572000868063504, 3800307063007851818782, 594288727534365247459980, 92947011169275040045085134

Offset

1,1

Comments

Column 4 of A263602.

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

Some solutions for n=2
..0..1..2..7..8....0..5..8..9.14....0..3..8.13.14....0..3..8.13.14
.11.10..3.14..9....1..2.11..6.13....1..2..7.12..9....5..2..9..4..7
.12..5..6.13..4...10..7.12..3..4....6..5.10.11..4...10..1..6.11.12

Crossrefs

Cf. A263602.

Sequence in context: A343922 A209261 A001321 * A111415 A036534 A167731

Adjacent sequences: A263598 A263599 A263600 * A263602 A263603 A263604

Keyword

nonn

Author

R. H. Hardin, Oct 22 2015

Status

approved