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A181195 Number of n X 8 matrices containing a permutation of 1..n*8 in increasing order rowwise, columnwise, diagonally and (downwards) antidiagonally. 2
1, 429, 750325, 2152061145, 7372392431849, 26791156423752069, 99086837728795943389, 368253691037579094795185, 1370391973012218579798432209, 5101453317266742158652901045085 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 8 of A181196.

LINKS

R. H. Hardin, Table of n, a(n) for n=1..100

EXAMPLE

Some solutions for 3 X 8:

..1..2..3..4..5..6..7..8....1..2..3..4..5..6..7.11....1..2..3..4..5..6..7.11

..9.10.11.12.13.14.15.16....8..9.10.12.13.16.17.19....8..9.10.12.13.16.17.20

.17.18.19.20.21.22.23.24...14.15.18.20.21.22.23.24...14.15.18.19.21.22.23.24

CROSSREFS

Cf. A181196.

Sequence in context: A258494 A258395 A215547 * A227597 A321976 A147694

Adjacent sequences:  A181192 A181193 A181194 * A181196 A181197 A181198

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 10 2010

STATUS

approved

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Last modified April 16 03:59 EDT 2021. Contains 343030 sequences. (Running on oeis4.)