- n=100-300k, 12k left (1278, 6900, 8722, 10518, 12310, 13840, 14362, 16788, 17262, 18022, 19140, 19786)
- runtime 8min48s-1h35min (AVX@3.8Ghz)

17172*841^25396+1 found by Ralfy
13048*841^29664+1 found by europe64
3966*841^32150+1 found by Ralfy
20022*841^36372+1 found by Odicin
16972*841^37229+1 found by phaeton57
14368*841^38949+1 found by Kalomel
22086*841^40618+1 found by Ralfy
5572*841^40777+1 found by Lennart SM5YMT
3580*841^67127+1 found by Ralfy
15012*841^73029+1 found by Ralfy
3346*841^73208+1 found by Ralfy
9822*841^75757+1 found by Krzysiak_PL_GDA
10956*841^96215+1 found by Lennart SM5YMT
16950*841^101338+1 found by Dr Who Fan
700*841^107773+1 found by [AF>HFR>BZHWDT] Fa
9292*841^117699+1 found by mmonnin
6322*841^127936+1 found by Torbjörn Eriksson
4008*841^131505+1 found by Ralfy
700*841^151894+1 found byashriverguy
18400*841^152616+1 found by hase
1590*841^172731+1 found by KySU
15690*841^266965+1 found by NOSNHOP (TOP5000)