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”).

A186905
Decimal expansion of the local minimum of the hyperfactorial function.
1
5, 3, 7, 6, 8, 5, 5, 8, 1, 2, 6, 1, 0, 8, 2, 6, 3, 3, 2, 1, 3, 3, 2, 9, 7, 9, 2, 2, 0, 3, 0, 0, 2, 4, 5, 6, 0, 7, 8, 9, 4, 2, 4, 5, 6, 1, 1, 2, 5, 4, 3, 9, 8, 7, 3, 7, 1, 1, 1, 7, 8, 5, 2, 7, 3, 4, 9, 8, 8, 6, 0, 6, 8, 5, 7, 9, 9, 2, 9, 0, 2, 3, 6, 6, 4, 3, 0, 9, 0, 3, 0, 3, 8, 4, 4, 3, 7, 9, 8, 9, 8, 5, 0, 9, 1, 0, 4, 0, 0, 7, 3
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
Cf. A186904.
Sequence in context: A110265 A275415 A021190 * A366345 A109694 A259068
KEYWORD
cons,nonn
AUTHOR
Robert G. Wilson v, Feb 28 2011
STATUS
approved