cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A092660 Number of consecutive prime runs of 9 primes congruent to 1 mod 4 below 10^n.

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%I A092660 #14 Mar 18 2018 15:55:46
%S A092660 0,0,0,0,1,6,71,851,8919,90049,894724
%N A092660 Number of consecutive prime runs of 9 primes congruent to 1 mod 4 below 10^n.
%F A092660 Generate the prime sequence with primes labeled 1 mod 4 or 3 mod 4. Add count of primes to sequence if just 9 primes occur before interruption by a prime congruent to 3 mod 4.
%e A092660 a(6)=6 because 6 sets of 9 primes occur below 10^6, each run interrupted by a prime congruent to 3 mod 4.
%Y A092660 Cf. A092661 A092662.
%Y A092660 Cf. A162865. [From _Rick L. Shepherd_, Jul 15 2009]
%K A092660 more,nonn
%O A092660 1,6
%A A092660 _Enoch Haga_, Mar 02 2004
%E A092660 a(9) from _Rick L. Shepherd_, Jul 15 2009
%E A092660 a(10) from _Sean A. Irvine_, Oct 25 2011
%E A092660 a(11) from _Chai Wah Wu_, Mar 18 2018