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Absolute value of difference between counts of uninterrupted runs of 3 primes in A092642 and A092643.
3

%I #10 Mar 18 2018 17:39:06

%S 0,0,3,2,18,30,8,943,2680,483,10001

%N Absolute value of difference between counts of uninterrupted runs of 3 primes in A092642 and A092643.

%F Take the absolute value of the difference between counts of runs of 3 primes congruent to 1 mod 4 and 3 mod 4.

%e a(3)=3 because in A092642 the count is 4 and in A092643 the count is 1. 4 - 1 = 3.

%Y Cf. A092642, A092643.

%K more,nonn

%O 1,3

%A _Enoch Haga_, Mar 02 2004

%E a(9)-a(11) from _Chai Wah Wu_, Mar 18 2018