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 A205275 Number of (n+1)X4 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing 1

%I

%S 23244,2940732,390106512,39435964246,3697283479275,284242642223529,

%T 20121138995499259,1250442099302828578,72320360290510095168,

%U 3818468956903932960671,189710894331601371183344

%N Number of (n+1)X4 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing

%C Column 3 of A205277

%H R. H. Hardin, <a href="/A205275/b205275.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012

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Last modified March 20 14:14 EDT 2023. Contains 361383 sequences. (Running on oeis4.)