login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A340484
Decimal expansion of Sum_{k>=2} (log k)^2/(k^2-1).
2
2, 0, 6, 7, 0, 2, 8, 7, 5, 1, 8, 3, 8, 6, 5, 0, 6, 7, 1, 4, 2, 0, 1, 8, 4, 7, 8, 2, 7, 0, 5, 3, 8, 1, 9, 3, 0, 2, 7, 7, 3, 4, 2, 7, 5, 2, 5, 8, 7, 3, 3, 6, 9, 7, 0, 4, 3, 4, 2, 1, 7, 8, 8, 4, 1, 9, 5, 9, 9, 7, 9, 7, 9, 5, 6, 1
OFFSET
1,1
FORMULA
Equals Sum_{i>=1} Zeta''(2*i) = A201994 + A340443 + Sum_{i>=3} Zeta''(2*i).
EXAMPLE
2.0670287518386506714201847827053819302773427525873369704342178841959...
PROG
(PARI) sumpos(k=2, log(k)^2/(k^2-1)) \\ Michel Marcus, Jan 09 2021
CROSSREFS
Sequence in context: A328473 A268656 A318619 * A341930 A220608 A057720
KEYWORD
nonn,cons
AUTHOR
R. J. Mathar, Jan 09 2021
STATUS
approved