OFFSET
1,1
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..16
EXAMPLE
58227//58233 = 76303 * 76311, where // denotes concatenation.
PROG
(Python)
from itertools import count, islice
from sympy import sqrt_mod
def A116202_gen(): # generator of terms
for j in count(0):
b = 10**j
a = b*10+1
for k in sorted(sqrt_mod(22, a, all_roots=True)):
if a*(b-6) <= k**2-22 < a*(a-7) and k>4:
yield (k**2-22)//a
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
EXTENSIONS
a(8)-a(10) from Chai Wah Wu, Feb 21 2024
STATUS
approved