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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A263584 Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 filled by rows with each element moved a city block distance of 1 or 2, and rows and columns in increasing lexicographic order. 1
 12, 1992, 145151, 14088801, 1544467524, 162168224979, 16879917679631, 1775863143870845, 187142165389625874, 19699623733009397058, 2073969553045375908402, 218412281827791643108849 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A263586. LINKS R. H. Hardin, Table of n, a(n) for n = 1..86 EXAMPLE Some solutions for n=3 ..1..2..6..7....1..2.10.11....1..2..5..7....1..3.10.11....1..4..7.11 ..8..0..9.15....5..0..4..6....6..0..9..3....9..0..5..2....5..0..3..6 .12..4.11..3...13.12..8..3...13..4..8.15...12..4..8..6...12..8..2..9 .14..5.10.13...14..9.15..7...14.12.11.10...13.14.15..7...14.10.15.13 CROSSREFS Cf. A263586. Sequence in context: A265216 A011920 A323817 * A323816 A208252 A204622 Adjacent sequences: A263581 A263582 A263583 * A263585 A263586 A263587 KEYWORD nonn AUTHOR R. H. Hardin, Oct 22 2015 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 January 28 01:36 EST 2023. Contains 359849 sequences. (Running on oeis4.)