login
The OEIS is supported by the many generous donors to the OEIS Foundation.
A109376
Numbers k such that k * (sum of the digits of k 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, 428999999, 3699949999
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..17.
CROSSREFS
Cf. A109372.
Sequence in context: A011753 A120442 A059407 * A100038 A370917 A160843
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
a(16)-a(17) from Michael S. Branicky, May 02 2024
STATUS
approved

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified April 12 21:33 EDT 2026. Contains 394621 sequences.
License Agreements, Terms of Use, Privacy Policy