A210338 Primes that can be represented exactly in two ways as a^2 + b^2 + c^2, 0 < a <= b <= c.
41, 59, 83, 107, 113, 137, 139, 181, 197, 211, 229, 283, 307, 313, 317, 331, 337, 373, 379, 421, 457, 499, 541, 547, 577, 613, 643, 709, 757, 853, 877, 883, 907, 1093, 1213
Offset: 1
Keywords
Examples
{p,a,b,c}:
{41,1,2,6}, {41,3,4,4}
{59,1,3,7}, {59,3,5,5}
{83,1,1,9}, {83,3,5,7}
{107,1,5,9}, {107,3,7,7}.
Comments