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 A199004 Position of n-th prime sextuplet A022008(n) among prime 5-tuples A022007. 1

%I #14 Apr 11 2022 22:04:42

%S 1,2,7,8,9,35,49,55,75,76,82,84,115,124,133,140,144,153,167,172,177,

%T 200,201,202,203,211,213,232,235,237,240,243,245,252,256,262,276,281,

%U 285,297,305,319,322,325,331,349,352,353,374,377,379,380,399,407,415

%N Position of n-th prime sextuplet A022008(n) among prime 5-tuples A022007.

%H Zak Seidov, <a href="/A199004/b199004.txt">Table of n, a(n) for n = 1..1000</a>

%F A022007(a(n))=A022008(n).

%e a(3)=7 because A022008(3)=16057=A022007(7),

%e a(1000)=12091 because A022008(1000)=5054057077=A022007(12091).

%t lst = {}; cnt = 0; Do[p = Prime[n]; If[PrimeQ[p+4] && PrimeQ[p+6] && PrimeQ[p+10] && PrimeQ[p+12], cnt++; If[PrimeQ[p+16], AppendTo[lst, cnt]]], {n, 10000000}]; lst (* _T. D. Noe_, Nov 01 2011 *)

%Y Cf. A022007, A022008.

%K nonn

%O 1,2

%A _Zak Seidov_, Nov 01 2011

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Last modified May 22 10:24 EDT 2024. Contains 372745 sequences. (Running on oeis4.)