A242918 Positions of smaller of twin primes in A001359 with index 5.

11, 18, 21, 27, 43, 48, 62, 77, 107, 109, 110, 118, 131, 145, 172, 201, 216, 258, 260, 265, 289, 294, 301, 307, 315, 319, 340, 350, 363, 365, 367, 381, 442, 449, 451, 453, 491, 496, 500, 515, 522, 528, 540, 559, 569, 581, 603, 613, 616, 620, 623, 630, 659, 689

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]]]];
A242918=Flatten[Position[A242767, 5]] (* Peter J. C. Moses, May 27 2014 *)

Crossrefs

Cf. A001359, A242758, A242767, A242768, A242807, A242881, A242913, A242917.

Sequence in context: A054306 A093519 A031119 * A287868 A095648 A273679

Adjacent sequences: A242915 A242916 A242917 * A242919 A242920 A242921

Keyword

nonn

Author

Vladimir Shevelev, May 26 2014

Extensions

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

Status

approved