Burt Kaliski Jr. (@modulomathy)
4/22/12 4:26 PM
#math trivia for #April22: #113 is 16 weeks and 1 day, both squares. How many days of the year does this happen?
The pattern happens twice during the week preceded by a square number of full weeks. There are eight square numbers between 0 and 52 inclusive, so there are 16 such days.