id:A078704 - OEIS Search Results

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Integer part of the square root of phi(n).

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1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 4, 2, 4, 2, 3, 3, 4, 2, 4, 3, 4, 3, 5, 2, 5, 4, 4, 4, 4, 3, 6, 4, 4, 4, 6, 3, 6, 4, 4, 4, 6, 4, 6, 4, 5, 4, 7, 4, 6, 4, 6, 5, 7, 4, 7, 5, 6, 5, 6, 4, 8, 5, 6, 4, 8, 4, 8, 6, 6, 6, 7, 4, 8, 5, 7, 6, 9, 4, 8, 6, 7, 6, 9, 4, 8, 6, 7, 6, 8, 5, 9, 6, 7, 6 (list; graph; listen)

	OFFSET	`1,5`
	MATHEMATICA	`Table[Floor[Sqrt[EulerPhi[i]]], {i, 1, 100}]`
	CROSSREFS	`Sequence in context: A031281 A113793 A083552 this_sequence A032358 A011960 A008615` `Adjacent sequences: A078701 A078702 A078703 this_sequence A078705 A078706 A078707`
	KEYWORD	`easy,nonn`
	AUTHOR	`Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Dec 18 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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