A063930 Radius of B-excircle of Pythagorean triangle with a=(n+1)^2-m^2, b=2*(n+1)*m and c=(n+1)^2+m^2.

3, 4, 10, 5, 12, 21, 6, 14, 24, 36, 7, 16, 27, 40, 55, 8, 18, 30, 44, 60, 78, 9, 20, 33, 48, 65, 84, 105, 10, 22, 36, 52, 70, 90, 112, 136, 11, 24, 39, 56, 75, 96, 119, 144, 171, 12, 26, 42, 60, 80, 102, 126, 152, 180, 210, 13, 28, 45, 64, 85, 108, 133, 160, 189, 220