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A116023 The n-th prime plus n gives a semiprime (A001358). +0
2
10, 12, 14, 15, 16, 19, 20, 21, 23, 25, 30, 31, 36, 37, 38, 39, 40, 44, 52, 54, 56, 57, 58, 60, 62, 67, 74, 75, 77, 80, 83, 84, 86, 88, 90, 99, 107, 111, 115, 120, 124, 136, 140, 145, 146, 154, 156, 160, 162, 164, 165, 166, 168, 174, 175, 182, 189, 192, 195, 196 (list; graph; listen)
OFFSET

1,1

EXAMPLE

p(30)+30=143=11*13.

CROSSREFS

Cf. A001358, A116012, A116024.

Sequence in context: A141322 A099103 A094879 this_sequence A062408 A127653 A050705

Adjacent sequences: A116020 A116021 A116022 this_sequence A116024 A116025 A116026

KEYWORD

nonn

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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