A228055 Upper twin prime-indexed primes in the sequence of prime(prime(i)).

11, 17, 283, 25307, 51137, 70123, 82763, 124783, 167119, 178819, 190579, 199039, 200989, 201833, 285983, 334429, 418637, 444529, 470083, 470213, 495617, 529519, 556697, 582017, 637003, 653623, 660563, 725327, 808603, 880427, 895009, 961189, 1015367, 1088393

Offset

1,1

Comments

The sequence prime(prime(i)) for i = 1, 2, 3,... is in A006450. The paper by Bayless et al. discusses these primes.

Links

Table of n, a(n) for n=1..34.

Jonathan Bayless, Dominic Klyve, and Tomás Oliveira e Silva, New Bounds and Computations on Prime-Indexed Primes, INTEGERS, Electronic J. of Combinatorial Number Theory, Vol. 13, Paper A43, 2013.

Mathematica

nn = 10000; t = Table[Prime[Prime[Prime[n]]], {n, nn}]; s = Select[Range[nn - 1], t[[# + 1]] - t[[#]] == 6 &]]; t[[s]] + 6

Crossrefs

Cf. A006450, A228054.

Sequence in context: A279332 A286959 A146446 * A132092 A226258 A056705

Adjacent sequences: A228052 A228053 A228054 * A228056 A228057 A228058

Keyword

nonn

Author

T. D. Noe, Aug 10 2013

Status

approved