A395904 - OEIS

%I #5 May 13 2026 06:26:55

%S 8,9,7,4,9,3,9,5,2,6,8,6,0,8,5,4,9,1,3,3,1,3,4,7,3,3,0,4,3,1,3,9,9,3,

%T 9,6,2,6,7,9,1,0,1,9,6,6,5,4,7,6,0,1,0,1,0,2,7,3,8,2,7,2,5,8,0,1,6,4,

%U 0,4,3,6,8,9,6,0,6,7,3,9,7,6,2,6,3,3,0,3,6,1,0,0,9,4,0,1,3,6,5,5

%N Decimal expansion of (12/5)*A005596.

%H Ethan S. Lee and Rowan O'Clarey, <a href="https://arxiv.org/abs/2605.02426">On the Sum of a Prime and a Number that is not Square-Free</a>, arXiv:2605.02426 [math.NT], 2026. See p. 8.

%e 0.89749395268608549133134733043139939626791019665...

%o (PARI) (12/5)*prodeulerrat(1-1/(p^2-p))

%Y Cf. A005596.

%K nonn,cons

%O 0,1

%A _Stefano Spezia_, May 09 2026