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A063501 Number of prime-sextuplets up to 10^n. 0


%S 0,1,2,2,5,5,18,82,317,1613,8626,50408,303828,1911246,12432129,

%T 83217782

%N Number of prime-sextuplets up to 10^n.

%H Norman Luhn, <a href="http://www.pzktupel.de/counting/PI_06.html">PI_6(10^n)</a>

%H <a href="/index/Pri#primepop">Index entries for sequences related to numbers of primes in various ranges</a>

%e a(12)=50408 because there are 50408 prime-sextuplets up to 10^12.

%Y Cf. A022008 (initial members of prime-sextuplets).

%K nonn,changed

%O 1,3

%A _Martin Raab_, Jul 30 2001

%E 2 more terms from _Martin Raab_, Oct 06 2005

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Last modified October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)