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A064674 Number of primes q such that phiter(q)=n where phiter(n)=A064415(n). +0
1
0, 2, 2, 3, 6, 12, 23, 46, 94, 198, 424, 854 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Cf. A000010, A003434, A064415, A064416.

Adjacent sequences: A064671 A064672 A064673 this_sequence A064675 A064676 A064677

Sequence in context: A102762 A049853 A064319 this_sequence A095902 A103687 A032908

KEYWORD

nonn

AUTHOR

Christian WEINSBERG (cweinsbe(AT)fr.packardbell.org), Oct 10 2001

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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