本帖最后由 cuikun-186 于 2025-6-4 18:03 编辑
间隔为22的素数对,即2k=22,ѱ=π(2k+1)=π(23)=9
π22inf(x) = 0 . 8487 x/( lnx ) ^2 - 9,
S:03, 05,07,09,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,...,(2n+1)
M:25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,...,(2n+23)
π22inf(x) = 0 . 8487 x/( lnx ) ^2 - 9在x≥373时,π22inf(x) >0
x≥373时,π22(x)有许多:(7,29),(19,41),(31,53),(37,59),...
显见x≥373时,π22(x)>π22inf(x) |