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A263515 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 1, and rows and columns in increasing lexicographic order. 1
29, 660, 18369, 489294, 13332096, 362159570, 9866744449, 268827612021, 7327820172316, 199763751307958, 5446244243395198, 148487857544502671, 4048490973231712506, 110382192841761372934, 3009586412715099906678 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A263519.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

..0..1..2..3..4....0..1..2..3..4....0..1..2..8..9....0..1..2..3..9

..5..6..7..8..9....6..5..7..9..8....5..6..7..3..4....6..5.12.13..4

.10.11.17.14.13...10.11.17.12.19...10.12.11.13.14...10.16..7..8.14

.15.16.12.18.19...15.16.18.13.14...15.16.17.18.19...15.11.17.18.19

CROSSREFS

Cf. A263519.

Sequence in context: A182329 A329016 A072080 * A201245 A063044 A062560

Adjacent sequences:  A263512 A263513 A263514 * A263516 A263517 A263518

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 19 2015

STATUS

approved

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Last modified September 25 22:38 EDT 2020. Contains 337346 sequences. (Running on oeis4.)