OFFSET
1,1
EXAMPLE
50767 is in the list since it is prime and is equal to 76567 in base 9.
PROG
(Python)
from sympy import isprime
A246135 = []
for n in range(1, 9):
for m in range(n-1, -1, -1):
l = ''.join([str(d) for d in range(n, m-1, -1)])
p = int(l+l[-2::-1], 9)
if isprime(p):
A246135.append(p)
for m in range(n+1, 9):
l = ''.join([str(d) for d in range(n, m+1)])
p = int(l+l[-2::-1], 9)
if isprime(p):
A246135.append(p)
CROSSREFS
KEYWORD
nonn,base,full,fini
AUTHOR
Chai Wah Wu, Aug 15 2014
STATUS
approved
