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 A206356 Number of nX5 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order 1

%I #5 Mar 31 2012 12:37:11

%S 5,884,47060,2545230,137375464,7427049378,401471308746,21705874723550,

%T 1173549933694952,63450684804324134,3430620268033662902,

%U 185485744651944072052,10028795903166889447818,542234705334673279493520

%N Number of nX5 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order

%C Column 5 of A206359

%H R. H. Hardin, <a href="/A206356/b206356.txt">Table of n, a(n) for n = 1..30</a>

%e Some solutions for n=4

%e ..0..1..2..3..4....0..1..2..3..0....0..1..2..0..3....0..1..2..3..4

%e ..2..3..4..1..2....4..3..0..4..1....4..3..0..4..1....1..2..4..0..1

%e ..3..4..0..2..3....1..0..3..2..4....1..4..3..1..0....2..3..0..1..2

%e ..0..1..3..4..0....2..1..4..3..2....0..1..2..3..4....3..0..1..2..4

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2012

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Last modified December 9 09:03 EST 2023. Contains 367690 sequences. (Running on oeis4.)