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A074821 Numbers n such that tau(n) = tau(2n+1). 1
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; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A032983 A204388 A117360 * A076707 A032940 A064419

Adjacent sequences:  A074818 A074819 A074820 * A074822 A074823 A074824

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 08 2002

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.