( 4096 birthdays, 2147483648 days in year)
Table of Expected vs. Observed counts:
<=2 68.8 76
3 143.1 152
4 286.3 309
5 458.0 471
6 610.7 606
7 697.9 704
8 697.9 682
9 620.4 627
10 496.3 510
11 361.0 319
12 240.6 238
13 148.1 146
14 84.6 83
15 45.1 43
>=16 41.2 34
Overall p is 0.2901