A225943 The first member of a twin prime pair whose sum equals the sums of two consecutive smaller pairs of twin primes.

17, 29, 71, 101, 659, 1091, 1301, 2081, 2111, 2381, 2591, 2969, 4241, 4271, 4649, 4721, 4931, 5441, 5519, 6689, 6761, 7589, 8219, 8999, 10331, 10859, 11159, 11717, 11969, 13001, 16451, 17657, 18521, 20231, 22277, 23039, 23909, 24179, 24917, 27479, 28571

Offset: 1

Author

César Aguilera, May 21 2013

Keywords

• nonn

Comments

The sum of a given pair of twin primes can be represented as the sum of consecutive pairs of smaller twin primes.

Examples

			17 + 19 = (5 + 7) + (11 + 13).
		

Links

• Zak Seidov, Table of n, a(n) for n = 1..1000

Programs

Mathematica

t = Select[2*Range[20000], PrimeQ[# - 1] && PrimeQ[# + 1] &]; Intersection[t, Rest[t] + Most[t]] - 1 (* T. D. Noe, Jun 13 2013 *)

Extensions

Extended by T. D. Noe, Jun 13 2013