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A133992 Sigma(prime(n)*prime(prime(n))-1). +0
1
2, 4, 8, 4, 12, 12, 8, 16, 18, 16 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Adjacent sequences: A133989 A133990 A133991 this_sequence A133993 A133994 A133995

Sequence in context: A078479 A060968 A016635 this_sequence A126215 A135447 A092892

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jan 09 2008

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Last modified October 6 16:09 EDT 2008. Contains 144667 sequences.

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