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Decimal expansion of sum of squares of reciprocals of primes whose distance to the next prime is equal to 6, Sum_{j>=1} 1/A031924(j)^2.
1

%I #13 Oct 02 2022 00:27:46

%S 0,0,4,7,5,7,2,8,6,9,7,5

%N Decimal expansion of sum of squares of reciprocals of primes whose distance to the next prime is equal to 6, Sum_{j>=1} 1/A031924(j)^2.

%e 0.004757286975...

%Y Cf. A031924.

%Y Cf. A085548, A160910, A242301, A356793, A357059.

%K nonn,cons,hard,more

%O 0,3

%A _Artur Jasinski_, Sep 30 2022