OFFSET
0,1
COMMENTS
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 0..1000
Eric Weisstein's World of Mathematics, RATS Sequence
PROG
(Haskell)
a066713 = a036839 . (2 ^) -- Reinhard Zumkeller, Mar 14 2012
(Python)
def A066713(n):
m = 2**n
return int(''.join(sorted(str(m+int(str(m)[::-1]))))) # Chai Wah Wu, Feb 07 2020
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Jan 19 2002
STATUS
approved