OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
Eric Weisstein's World of Mathematics, Gaussian Prime
EXAMPLE
The Gaussian primes whose norm is 9 or less;
* 3i,
* * -1+2i, 1+2i
* * * * -2+i, -1+i, 1+i, 2+i
* * -3, 3
* * * * -2-i, -1-i, 1-i, 2-i
* * -1-2i, 1-2i
* -3i
a(2) = 16/4 = 4.
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Dec 02 2017
STATUS
approved