OFFSET
0,1
COMMENTS
Equals psi_1(3/2), where psi_1(x) is the second logarithmic derivative of Gamma(x).
LINKS
Eric Weisstein's World of Mathematics, Trigamma Function.
FORMULA
Equals the value of A102753 minus 4. - R. J. Mathar, Aug 30 2008
EXAMPLE
0.934802200544679309417245499938075567656849703620395313206...
MATHEMATICA
RealDigits[Pi^2/2-4, 10, 120][[1]] (* Harvey P. Dale, Dec 18 2021 *)
PROG
(PARI) Pi^2/2 - 4 \\ Michel Marcus, Sep 04 2015
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Feb 10 2005
STATUS
approved