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A264260 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 0,-1 0,2 1,0 or -1,0. 1
64, 760, 14893, 397462, 7877184, 180566464, 3975678008, 87271645407, 1939441223920, 42768847809756, 945957883808788, 20917194859073820, 462320865453639648, 10222639186830500032, 225997864877168619385 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A264257.
LINKS
EXAMPLE
Some solutions for n=3
..4..2..3..1....1..0..3..2....4..0..3..2....1..0..6..7....1..5..3..2
..0..6..7..5....8..4..5..6....8..1.10..5....8..9..2..3....0..9..7..6
..9..8.11.10....9.10.11..7....9.13..6..7....4..5.14.10....4..8.11.15
.16.12.18.14...16.17.15.19...16.14.15.11...16.12.18.11...16.14.10.19
.17.13.19.15...12.13.14.18...12.18.19.17...17.13.19.15...12.13.17.18
CROSSREFS
Cf. A264257.
Sequence in context: A317152 A316882 A317610 * A190532 A181889 A236182
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 09 2015
STATUS
approved

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Last modified April 15 05:10 EDT 2024. Contains 371667 sequences. (Running on oeis4.)