A242917 - OEIS

%I #9 Jun 05 2014 01:46:51

%S 7,16,20,28,30,34,35,40,49,69,74,84,89,101,105,108,133,134,142,148,

%T 154,159,169,176,182,185,194,202,213,215,220,221,225,232,235,238,251,

%U 256,261,303,310,311,314,322,323,329,330,342,343,353,354,360,382,396,398

%N Positions of smaller of twin primes in A001359 with index 4.

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

%H Peter J. C. Moses, <a href="/A242917/b242917.txt">Table of n, a(n) for n = 1..5000</a>

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

%t A242917=Flatten[Position[A242767,4]] (* _Peter J. C. Moses_, May 27 2014 *)

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

%K nonn

%O 1,1

%A _Vladimir Shevelev_, May 26 2014

%E More terms from _Peter J. C. Moses_, May 26 2014