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A214110 Number of 0..3 colorings on an nX7 array circular in the 7 direction with new values 0..3 introduced in row major order 1

%I

%S 91,34041,12777541,4797577911,1801391900581,676387200779521,

%T 253970131976197721,95360806682222518731,35806113871482016834611,

%U 13444493973598029022988181,5048143980581518949006312711

%N Number of 0..3 colorings on an nX7 array circular in the 7 direction with new values 0..3 introduced in row major order

%C Column 6 of A214112

%H R. H. Hardin, <a href="/A214110/b214110.txt">Table of n, a(n) for n = 1..210</a>

%F Empirical: a(n) = 416*a(n-1) -15454*a(n-2) +89758*a(n-3) +90848*a(n-4) -438718*a(n-5) +62801*a(n-6)

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jul 04 2012

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Last modified July 4 17:52 EDT 2022. Contains 355083 sequences. (Running on oeis4.)