id:A074821 - OEIS Search Results

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Numbers n such that tau(n) = tau(2n+1).

+0
2

2, 3, 4, 5, 10, 11, 23, 27, 29, 34, 38, 41, 46, 53, 55, 57, 62, 76, 77, 83, 89, 91, 93, 106, 113, 118, 123, 129, 131, 133, 136, 143, 145, 159, 161, 173, 177, 179, 185, 191, 201, 203, 205, 206, 212, 213, 218, 226, 232, 233, 235, 239, 251, 259, 267, 281, 291, 293 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A023787 A032983 A117360 this_sequence A076707 A032940 A064419` `Adjacent sequences: A074818 A074819 A074820 this_sequence A074822 A074823 A074824`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 08 2002`

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

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