OFFSET
1,1
COMMENTS
LINKS
A.H.M. Smeets, Table of n, a(n) for n = 1..11142
PROG
(Python)
from fractions import gcd
t = 1
to = 1
i = 1
x = 1
while x > 0:
....x = x + 1
....y = 0
....while y < x:
........y = y + 1
........if gcd(x, y) == 1:
............t = t + 2
....e = t*(x-1)*(x-1) - to*x*x
....if (e < 0 and x%2 == 1 and x%6 == 3 and x%30 != 15):
........print(i, x)
........i = i + 1
....to = t
CROSSREFS
KEYWORD
nonn
AUTHOR
A.H.M. Smeets, Jan 09 2017
STATUS
approved