id:A092274 - OEIS Search Results

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Sum_{k=2..n} min(k,n-k)*phi(k)*(n-k).

+0
1

0, 0, 0, 1, 6, 16, 38, 70, 124, 200, 314, 452, 644, 890, 1216, 1592, 2068, 2624, 3312, 4094, 5042, 6138, 7438, 8844, 10488, 12348, 14496, 16796, 19422, 22314, 25590, 29158, 33168, 37530, 42400, 47526, 53204, 59356, 66132, 73226, 81004, 89338, 98436, 108086, 118582 (list; graph; listen)

	OFFSET	`0,5`
	REFERENCES	`J. O'Rourke, Art Gallery Theorems and Algorithms, Oxford Univ. Press, 1987, p. 222.`
	CROSSREFS	`Sequence in context: A064602 A058272 A049712 this_sequence A130902 A009955 A123205` `Adjacent sequences: A092271 A092272 A092273 this_sequence A092275 A092276 A092277`
	KEYWORD	`nonn`
	AUTHOR	`njas, Feb 17 2004`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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