OFFSET
1,1
COMMENTS
Calculations provided by Robert Israel.
For what p will the number of squared prime be less than the number of squared composites? What would the distribution be for increasing p?
EXAMPLE
With p=409 and q=419, 419^2 - 409^2 + 1 = 8281 = 91^2.
MATHEMATICA
Select[Partition[Prime@ Range[10^4], 2, 1], CompositeQ@ Sqrt[#2^2 - #1^2 + 1] & @@ # &][[All, 1]] (* Michael De Vlieger, Jul 19 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
J. M. Bergot, Jul 16 2018
STATUS
approved