id:A069925 - OEIS Search Results

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phi(2^n+1)/2n.

+0
1

1, 1, 1, 2, 2, 4, 6, 16, 18, 40, 62, 160, 210, 448, 660, 2048, 2570, 5184, 9198, 24672, 32508, 76032, 121574, 344064, 405000, 1005888, 1569780, 4511520, 6066336, 12672000, 23091222, 67004160, 85342752, 200422656, 289531200, 892477440 (list; graph; listen)

	OFFSET	`1,4`
	CROSSREFS	`Cf. A011260.` `Sequence in context: A116637 A153961 A134041 this_sequence A080611 A072707 A086105` `Adjacent sequences: A069922 A069923 A069924 this_sequence A069926 A069927 A069928`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 25 2002`

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

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