This road sign is along US Hwy-191 in Arizona.

The road sign says...

+------------------+ | Big Lake 17 | | East Fork | | Black River 12 | | Three Forks 12 | +------------------+ | 249 | +-----+the word "three" becomes the number 3 the numbers are: 17 12 12 3 249 1st off-by-one math: sqrt(249 + 3! + 12 / 12) = 17 - 1 observe... 3! = 6 12 / 12 = 1 246 + 6 + 1 = 256 sqrt(256) = 16 2nd off-by-one math: sqrt(249 - 12 - 12) + 3 = 17 + 1 observe... 249 - 12 = 237 237 - 12 = 225 sqrt(225) = 15 15 + 3 = 18 the math is: 12 / 3 + 17 = ceil(249 / 12) observe... left-side: 12 / 3 = 4 4 + 17 = 21 right-side: 249 / 12 = 20.75 ceil(20.75) = 21 [round up to nearest integer]Note: This road sign was discovered on Pi Day 2008.

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 18 March 2008

This work is licensed under a Creative Commons Attribution 3.0 United States License.