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A201428 Number of nX4 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other 1

%I #5 Mar 31 2012 12:36:44

%S 3,76,622,33740,561271,2740779,96745050,1042095316,3442865393,

%T 88529711419,713489134252,1807746313421,37066136105268,

%U 241902857874013,503427752952568,8681256219590301,48116992979572975,85825473881325409

%N Number of nX4 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other

%C Column 4 of A201432

%H R. H. Hardin, <a href="/A201428/b201428.txt">Table of n, a(n) for n = 1..37</a>

%e Some solutions for n=4

%e ..0..1..1..1....0..0..0..2....0..0..0..2....0..1..1..2....0..0..0..1

%e ..2..0..1..2....1..1..2..1....0..1..2..1....0..2..2..0....1..1..2..0

%e ..2..0..1..2....1..1..2..1....1..1..2..0....1..0..0..2....1..2..2..1

%e ..2..2..0..0....2..2..0..0....2..1..2..2....2..0..1..1....2..2..2..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 01 2011

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Last modified March 29 08:01 EDT 2024. Contains 371265 sequences. (Running on oeis4.)