OFFSET
1,1
LINKS
Michael S. Branicky, Table of n, a(n) for n = 1..372
PROG
(Python)
from sympy import isprime
from itertools import count, islice
def agen(an=7):
while True:
yield an
pow10 = 10**len(str(an))
for t in count(pow10+an, step=pow10):
if isprime(t):
an = t
break
print(list(islice(agen(), 18))) # Michael S. Branicky, Jun 23 2022
CROSSREFS
KEYWORD
base,nonn
AUTHOR
G. L. Honaker, Jr., Jan 18 2000
STATUS
approved