OFFSET
1,1
COMMENTS
LINKS
István Mező and Michael E. Hoffman, Zeros of the digamma function and its Barnes G-function analogue, Integral Transforms and Special Functions, Vol. 28, No. 11 (2017), pp. 846-858.
Wikipedia, Digamma function.
FORMULA
Equals Pi^2/(6*gamma) + gamma, where gamma is Euler's constant (A001620).
EXAMPLE
3.42698944421993633539867188882667127331063787917025...
MATHEMATICA
RealDigits[Pi^2/(6*EulerGamma) + EulerGamma, 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Amiram Eldar, Jun 03 2021
STATUS
approved