OFFSET
0,1
REFERENCES
Mohammad K. Azarian, On the Hyperfactorial Function, Hypertriangular Function, and the Discriminants of Certain Polynomials, International Journal of Pure and Applied Mathematics, Vol. 36, No. 2, 2007, pp. 251-257. Mathematical Reviews, MR2312537. Zentralblatt MATH, Zbl 1133.11012.
LINKS
Eric Weisstein's World of Mathematics, Hyperfactorial.
EXAMPLE
=0.5376855812610826332133297922030024560789424561125439873711178527349886068...
MATHEMATICA
FindRoot[ Hyperfactorial[x] == 0, {x, 1}, WorkingPrecision -> 111]; First@ RealDigits@ %[[-1, -1]]
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Robert G. Wilson v, Feb 28 2011
STATUS
approved