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A068291 1/17 the number of colorings of an n X n staggered hexagonal array with 17 colors. 1

%I #8 May 03 2012 16:58:35

%S 1,3600,2562894000,360815358806334000,10045362602062958738692122000,

%T 55306025603886596990726445398427484458000,

%U 60215114062840644498765447997163170597224027734057082000,12964769707834768710147648104687020983960635308403660120749080257740506000

%N 1/17 the number of colorings of an n X n staggered hexagonal array with 17 colors.

%C Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4.

%Y Cf. A068239-A068305, A000332, A002417, A027441, A212194, A212195.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 24 2002

%E a(5)-a(8) from _Alois P. Heinz_, May 03 2012

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Last modified March 28 12:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)