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 A184288 T(n,k)=Number of unique nXk toroidal 0..4 arrays 4
 5, 15, 15, 45, 175, 45, 165, 2635, 2635, 165, 629, 49075, 217125, 49075, 629, 2635, 976887, 20346485, 20346485, 976887, 2635, 11165, 20349075, 2034505661, 9536816875, 2034505661, 20349075, 11165, 48915, 435970995, 211927741375 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts .....5........15...........45...........165...........629.........2635 ....15.......175.........2635.........49075........976887.....20349075 ....45......2635.......217125......20346485....2034505661.211927741375 ...165.....49075.....20346485....9536816875.4768372070757 ...629....976887...2034505661.4768372070757 ..2635..20349075.211927741375 .11165.435970995 .48915 LINKS R. H. Hardin, Table of n, a(n) for n = 1..39 CROSSREFS Column 1 is A001869 Sequence in context: A166621 A160275 A200858 * A015666 A045856 A102185 Adjacent sequences:  A184285 A184286 A184287 * A184289 A184290 A184291 KEYWORD nonn,tabl AUTHOR R. H. Hardin Jan 10 2011 STATUS approved

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