A226848 - OEIS

%I #4 Jun 19 2013 06:16:07

%S 57,2291,49481,989731,20749217,443724135,9461306257,201065855279,

%T 4271553412923,90781653057341,1929581833121135,41012559102622377,

%U 871687516326898341,18526964254094263855,393775712485514542969

%N Number of nX4 (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X5 binary array

%C Column 4 of A226852

%H R. H. Hardin, <a href="/A226848/b226848.txt">Table of n, a(n) for n = 1..74</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jun 19 2013