| Shared Ancestor Generation | Cousin degree, k | 4k | Expected (degree ≤ k) | Observed | Observed/Expected |
| 1 | 0 (sibs) | 1 | 1 | 2 | 2.00 |
| 2 | 1 | 4 | 5 | 10 | 2.00 |
| 3 | 2 | 16 | 21 | 42 | 2.00 |
| 4 | 3 | 64 | 85 | 169 | 1.99 |
| 5 | 4 | 256 | 341 | 668 | 1.96 |
| 6 | 5 | 1024 | 1365 | 2537 | 1.86 |
| 7 | 6 | 4096 | 5461 | 8363 | 1.53 |
| 8 | 7 | 16,384 | 21,845 | 17,677 | — |
| 9 | 8 | 65,536 | 87,381 | 19,999 | — |