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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A109376 Numbers n such that n * (sum of the digits of n raised to their own power) + 1 is prime and sets a new record for number of digits. 0
1, 11, 20, 33, 35, 36, 75, 79, 390, 1991, 9199, 91899, 699949, 5299999, 39999999 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A109372.

Sequence in context: A011753 A120442 A059407 * A100038 A160843 A153368

Adjacent sequences:  A109373 A109374 A109375 * A109377 A109378 A109379

KEYWORD

base,more,nonn

AUTHOR

Jason Earls, Aug 25 2005

EXTENSIONS

a(15) from Owen Whitby, Sep 11 2013

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 26 00:35 EDT 2019. Contains 326324 sequences. (Running on oeis4.)