A204958 - OEIS

%I #5 Mar 31 2012 12:37:03

%S 450,6921,103106,1442543,19632936,252709954,3129723425,37097334426,

%T 424701572464,4704392025279,50721613017917,534002073864820,

%U 5513194928140939,55986187518812436,560944675759847942

%N Number of (n+1)X5 0..1 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing

%C Column 4 of A204962

%H R. H. Hardin, <a href="/A204958/b204958.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 20 2012