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A242917 Positions of smaller of twin primes in A001359 with index 4. 3
7, 16, 20, 28, 30, 34, 35, 40, 49, 69, 74, 84, 89, 101, 105, 108, 133, 134, 142, 148, 154, 159, 169, 176, 182, 185, 194, 202, 213, 215, 220, 221, 225, 232, 235, 238, 251, 256, 261, 303, 310, 311, 314, 322, 323, 329, 330, 342, 343, 353, 354, 360, 382, 396, 398 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

For the definition of the index of a twin prime pair, see the comment in A242767.

LINKS

Peter J. C. Moses, Table of n, a(n) for n = 1..5000

MATHEMATICA

A242767=Join[{1}, Differences[Flatten[Position[Differences[Prime[Range[10^4]]], 2]]]];

A242917=Flatten[Position[A242767, 4]] (* Peter J. C. Moses, May 27 2014 *)

CROSSREFS

Cf. A001359, A242758, A242767, A242768, A242807, A242881, A242913.

Sequence in context: A026226 A335569 A060914 * A044059 A287369 A342743

Adjacent sequences:  A242914 A242915 A242916 * A242918 A242919 A242920

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, May 26 2014

EXTENSIONS

More terms from Peter J. C. Moses, May 26 2014

STATUS

approved

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Last modified September 28 19:55 EDT 2021. Contains 347717 sequences. (Running on oeis4.)