OFFSET
1,2
COMMENTS
Numbers n such that A245459(n) = 0.
FORMULA
A245459(a(n)) = 0.
PROG
(Python)
def a(n):
..k = 2
..count = 0
..while k**n > 2**k:
....if sympy.isprime(k**n-2**k):
......count += 1
....k += 1
..return count
n = 1
while n < 1000:
..if not a(n):
....print(n, end=', ')
..n += 1 # Derek Orr, Aug 02 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Aug 02 2014
EXTENSIONS
a(13)-a(34) from Derek Orr, Aug 02 2014
STATUS
approved