A088187 Primes that are a sum of twin primes and their indices.

13, 19, 257, 443, 487, 1031, 1103, 1901, 2069, 2383, 2411, 2549, 2969, 2999, 3307, 3433, 3449, 4493, 4861, 4931, 5209, 5471, 5939, 6257, 6421, 7129, 8167, 8369, 8951, 9151, 9311, 9391, 9461, 9619, 9689, 10181, 12323, 12457, 12791, 13309, 14797

Offset

1,1

Comments

Add both primes of the pair as well as their prime indices.

Links

Table of n, a(n) for n=1..41.

Example

Prime(3) - prime(2) = 5 - 3 = 2; prime(3) + prime(2) + 3 + 2 = 13 = a(1).

Mathematica

Select[Plus@@{#, PrimePi[#], #+2, PrimePi[#]+1}&/@(Select[Prime[ Range[ 1000]], PrimeQ[#+2]&]), PrimeQ]  (* Harvey P. Dale, Feb 06 2011 *)

Crossrefs

Primes in A088186. Cf. A088188.

Sequence in context: A153266 A166664 A147393 * A146047 A343034 A145944

Adjacent sequences: A088184 A088185 A088186 * A088188 A088189 A088190

Keyword

easy,nonn

Author

Zak Seidov, Sep 22 2003

Extensions

Edited by Ray Chandler, Sep 29 2003

Status

approved