1/2 + 21...i is the location of the 2nd zero in the R. hyp........and the end number of the 1st set of 10 numbers by overlapping the pf. with the first ten integers...........and the differences of squares.........."different parts of the mathematical canon which seem to have nothing to do with each other".......

This says "4 Squared equals 16"
(the little 2 says the number appears twice in multiplying)

Squares From 1² to 6²

1 Squared	=	12	=	1 × 1	=	1
2 Squared	=	22	=	2 × 2	=	4
3 Squared	=	32	=	3 × 3	=	9
4 Squared	=	42	=	4 × 4	=	16
5 Squared	=	52	=	5 × 5	=	25
6 Squared	=	62	=	6 × 6	=	36