%I #10 Mar 18 2018 17:26:11
%S 0,0,0,3,36,344,3491,32628,300541,2771091,25737994
%N Number of consecutive prime runs of 5 primes congruent to 1 mod 4 below 10^n.
%F Generate the prime sequence with primes labeled 1 mod 4 or 3 mod 4. Add count of primes to sequence if just 5 primes occur before interruption by a prime congruent to 3 mod 4.
%e a(6)=344 because 344 sets of 5 primes occur below 10^6, each run interrupted by a prime congruent to 3 mod 4.
%Y Cf. A092649, A092650.
%K more,nonn
%O 1,4
%A _Enoch Haga_, Mar 02 2004
%E a(9)-a(11) from _Chai Wah Wu_, Mar 18 2018
|