From: Statistics on continuous IBD data: Exact distribution evaluation for a pair of full(half)-sibs and a pair of a (great-) grandchild with a (great-) grandparent
k
FS2(0.5)(k)
FS2(1.75)(k)
FS2(3)(k)
0
0.547465
0.261424
0.125676
1
0.954037
0.692916
0.444327
2
0.998520
0.930617
0.763259
3
0.999978
0.990853
0.932295
4
0.9999998
0.999236
0.986580
5
0.9999999990
0.999957
0.998085