login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
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 (list; constant; graph; refs; listen; history; text; internal format)
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

Table of n, a(n) for n=0..110.

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 * A109694 A259068 A219336

Adjacent sequences:  A186902 A186903 A186904 * A186906 A186907 A186908

KEYWORD

cons,nonn

AUTHOR

Robert G. Wilson v, Feb 28 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 10 16:03 EDT 2022. Contains 356039 sequences. (Running on oeis4.)