OFFSET
1,2
COMMENTS
The quotients are 2, 3, 7, 6, 7, 7, 7, 8, 8, 9, 9, 9, 5, 11, 11, 11, 11, 8, 15, 15, 15, 11, 11, 16, 20, 20, 21, 21, 21, 21, 22, 24, 24, 24, 21, 28.
EXAMPLE
888 is a term because the sum of the digits of (2*888)^888, 13320, is divisible by 888.
MATHEMATICA
Do[If[Mod[Plus @@ IntegerDigits[(2*n)^n], n] == 0, Print[n]], {n, 1, 10000}]
PROG
(Python)
A108860_list = [n for n in range(1, 1000) if not sum(int(d) for d in str((2*n)**n)) % n] # Chai Wah Wu, Mar 15 2018
CROSSREFS
KEYWORD
nonn,base,hard,more
AUTHOR
Ryan Propper, Jul 11 2005
EXTENSIONS
a(25)-a(26) from Harvey P. Dale, Nov 24 2010
a(27)-a(35) from Lars Blomberg, Jul 02 2011
a(36) from Kevin P. Thompson, Apr 15 2022
STATUS
approved