A382594 Decimal expansion of Sum_{p prime} 1/((p - 1)^2*p*(p + 1)^2).
0, 6, 1, 1, 8, 3, 5, 5, 1, 2, 5, 5, 2, 1, 4, 5, 5, 1, 8, 1, 6, 6, 8, 9, 7, 5, 3, 9, 0, 9, 1, 7, 3, 3, 6, 5, 3, 9, 8, 3, 1, 5, 6, 1, 8, 6, 9, 4, 5, 8, 1, 1, 1, 8, 8, 5, 8, 4, 8, 4, 5, 6, 3, 0, 5, 4, 7, 1, 0, 9, 6, 1, 1, 7, 1, 1, 6, 2, 5, 2, 5, 5, 2, 0, 0, 5, 8, 8, 8, 1, 1, 3, 3, 1, 3, 0, 2, 8, 4, 9, 1, 7, 2, 1, 5
Offset: 0
Examples
0.06118355125521455181668975390917336539831561869458...
Links
Programs
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PARI
sumeulerrat(1/((p-1)^2*p*(p+1)^2)) \\ Amiram Eldar, Apr 01 2025
Formula
Equals Sum_{k>=3} (k-2) * P(2*k-1), where P is the prime zeta function. - Amiram Eldar, Apr 01 2025