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A382600
Decimal expansion of Sum_{p prime} 1/((p - 1)^3*p^3*(p + 1)^2).
0
0, 1, 4, 1, 8, 1, 9, 3, 0, 6, 5, 5, 3, 3, 6, 1, 5, 3, 3, 5, 3, 8, 0, 9, 6, 6, 5, 5, 6, 8, 6, 2, 2, 7, 9, 8, 4, 9, 5, 9, 0, 5, 5, 4, 8, 3, 1, 0, 8, 6, 5, 4, 7, 9, 5, 2, 7, 4, 6, 1, 4, 6, 8, 1, 0, 7, 1, 9, 4, 1, 2, 3, 8, 3, 4, 6, 9, 3, 1, 0, 9, 6, 8, 3, 2, 7, 5, 2, 2, 3, 0
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..90.
Index to constants which are prime zeta sums
{3,3,2}.
FORMULA
Equals -
A085548
-
A085541
+ 39*
A136141
/16 -
A086242
+
A380840
/4 - 9*
A179119
/16 +
A382554
/8.
Equals Sum_{k>=4} ((k-3)*(k-2)/2)*(P(2*k) + P(2*k+1)), where P is the prime zeta function. -
Amiram Eldar
, Apr 01 2025
EXAMPLE
0.0141819306553361533538096655686...
PROG
(PARI) sumeulerrat(1/((p-1)^3*p^3*(p+1)^2)) \\
Amiram Eldar
, Apr 01 2025
CROSSREFS
Cf.
A085541
,
A085548
,
A086242
,
A136141
,
A179119
,
A380840
,
A382554
.
Sequence in context:
A334451
A040019
A240776
*
A394997
A019768
A319296
Adjacent sequences:
A382597
A382598
A382599
*
A382601
A382602
A382603
KEYWORD
nonn
,
cons
AUTHOR
Artur Jasinski
, Mar 31 2025
STATUS
approved