A116023 The n-th prime plus n gives a semiprime (A001358).

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

Offset

1,1

Links

Table of n, a(n) for n=1..60.

Example

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

Crossrefs

Cf. A001358, A116012, A116024, A014688

Sequence in context: A208271 A094879 A206286 * A062408 A127653 A050705

Adjacent sequences: A116020 A116021 A116022 * A116024 A116025 A116026

Keyword

nonn

Author

Giovanni Resta, Feb 13 2006

Status

approved