# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a206842 Showing 1-1 of 1 %I A206842 #5 Mar 31 2012 12:37:13 %S A206842 241,58081,11086238,2152805235,418964575189,81562078260316, %T A206842 15877946803718090,3091067307303254867,601761995188912369335, %U A206842 117150369608909238252579,22806723149404940748682374 %N A206842 Number of 4Xn 0..3 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal %C A206842 Row 4 of A206838 %H A206842 R. H. Hardin, Table of n, a(n) for n = 1..210 %e A206842 Some solutions for n=5 %e A206842 ..0..1..3..3..2....2..3..0..3..0....0..1..0..2..1....1..3..3..3..3 %e A206842 ..0..1..3..2..3....1..3..0..1..1....0..0..1..1..0....2..1..3..1..1 %e A206842 ..3..2..1..2..0....1..0..3..1..0....2..2..0..0..1....0..1..3..3..1 %e A206842 ..0..0..0..0..0....0..1..3..2..0....1..1..2..0..0....2..1..1..3..1 %K A206842 nonn %O A206842 1,1 %A A206842 _R. H. Hardin_ Feb 13 2012 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE