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A205045 Number of (n+1)X8 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero 0

%I #4 Mar 31 2012 12:37:04

%S 5692570,1279810940,24602390018,4053347144228,119606241141244,

%T 15032648681652406

%N Number of (n+1)X8 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero

%C Column 7 of A205046

%e Some solutions for n=4

%e ..5..0..5..5..1..5..0..5....6..3..0..3..6..1..3..0....2..4..1..2..0..2..5..2

%e ..6..4..4..0..4..0..4..2....0..1..2..1..0..1..3..2....0..4..1..6..4..0..4..0

%e ..5..0..5..5..0..5..4..3....6..2..2..2..6..2..0..2....2..4..1..2..0..2..6..2

%e ..2..4..0..4..4..5..0..5....3..0..3..0..3..0..3..3....0..4..1..6..4..0..4..0

%e ..2..6..5..1..4..0..4..2....4..2..4..2..6..2..0..2....2..4..1..2..0..2..3..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 21 2012

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Last modified April 19 16:38 EDT 2024. Contains 371794 sequences. (Running on oeis4.)