id:A145246 - OEIS Search Results

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1/6 of the number of 6-colorings of an n X n array symmetric about main diagonal.

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1, 25, 2625, 1157625, 2144197125, 16680941258625, 545049010783958625, 74801401778343775334625, 43116460181763524110077949125, 104384410248808682805556599342377625 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A061843 A135057 A167036 this_sequence A082488 A014797 A077519` `Adjacent sequences: A145243 A145244 A145245 this_sequence A145247 A145248 A145249`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Oct 05 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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