( 4096 birthdays, 2147483648 days in year)
Table of Expected vs. Observed counts:
<=2 68.8 11
3 143.1 43
4 286.3 83
5 458.0 173
6 610.7 311
7 697.9 466
8 697.9 600
9 620.4 596
10 496.3 674
11 361.0 548
12 240.6 439
13 148.1 400
14 84.6 271
15 45.1 173
>=16 41.2 212
Overall p is 1.0000