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A239848 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4 1

%I

%S 7,109,2221,46260,874352,15039319,232886648,3315673203,44101959522,

%T 556619827523,6695977596256,76860374449526,842768492337658,

%U 8843612429559950,89035572461799515,862379702184879987

%N Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4

%C Column 6 of A239849

%H R. H. Hardin, <a href="/A239848/b239848.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..0..0..0..0..3..3....0..0..3..3..0..0....0..0..3..3..0..0....0..3..3..0..0..0

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 28 2014

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Last modified November 19 22:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)