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A116024 The n-th prime minus n gives a semiprime (A001358). 2
5, 7, 9, 12, 20, 22, 24, 36, 40, 49, 52, 55, 58, 59, 60, 64, 69, 72, 74, 78, 80, 82, 87, 93, 96, 101, 105, 106, 108, 112, 114, 117, 118, 122, 123, 124, 125, 128, 132, 134, 135, 136, 138, 140, 142, 147, 150, 156, 158, 159, 160, 162, 164, 166, 170, 172, 180, 184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

EXAMPLE

p(40)-40=133=7*19.

MATHEMATICA

Transpose[Select[Table[{Prime[n], n}, {n, 200}], PrimeOmega[#[[1]]-#[[2]]] == 2&]][[2]] (* Harvey P. Dale, Jun 05 2015 *)

CROSSREFS

Cf. A001358, A116013, A116023.

Sequence in context: A159018 A345980 A005427 * A115913 A200268 A251627

Adjacent sequences:  A116021 A116022 A116023 * A116025 A116026 A116027

KEYWORD

nonn

AUTHOR

Giovanni Resta, Feb 13 2006

STATUS

approved

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Last modified May 25 22:51 EDT 2022. Contains 354073 sequences. (Running on oeis4.)