The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 3 12:41 EDT 2024. Contains 374893 sequences. (Running on oeis4.)