login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A212878 Decimal expansion of the negated imaginary part of i! 3
1, 5, 4, 9, 4, 9, 8, 2, 8, 3, 0, 1, 8, 1, 0, 6, 8, 5, 1, 2, 4, 9, 5, 5, 1, 3, 0, 4, 8, 3, 8, 8, 6, 6, 0, 5, 1, 9, 5, 8, 7, 9, 6, 5, 2, 0, 7, 9, 3, 2, 4, 9, 3, 0, 2, 6, 5, 8, 8, 0, 2, 7, 6, 7, 9, 8, 8, 6, 0, 8, 0, 1, 4, 9, 1, 1, 3, 8, 5, 3, 9, 0, 1, 2, 9, 5, 1, 3, 6, 6, 4, 7, 9, 4, 6, 3, 0, 7, 0, 7, 4, 9, 5, 9, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Also the negated real part of Gamma(i)

LINKS

Table of n, a(n) for n=0..104.

FORMULA

i! = gamma(1+i) = i*gamma(i)

EXAMPLE

0.15494982830181068512495513048...

MATHEMATICA

-Gamma[I] // Re // RealDigits[#, 10, 105]& // First (* Jean-Fran├žois Alcover, May 13 2013 *)

PROG

(PARI) -imag(I*gamma(I))

CROSSREFS

A212877 (real(i!)), A212879 (abs(i!)), A212880 (-arg(i!))

Sequence in context: A125057 A021186 A195705 * A092302 A002389 A196758

Adjacent sequences:  A212875 A212876 A212877 * A212879 A212880 A212881

KEYWORD

nonn,cons,easy

AUTHOR

Stanislav Sykora, May 29 2012

STATUS

approved

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

Content is available under The OEIS End-User License Agreement .

Last modified November 24 07:22 EST 2014. Contains 249872 sequences.