- n=50-100k, 40k left (978, 1140, 1336, 1704, 2848, 3858, 4006, 4182, 5608, 5784, 6064, 7134, 7566, 7614, 7822, 7894, 8236, 8634, 8988, 9166, 10056, 11982, 13080, 13614, 14880, 15288, 15930, 16176, 16642, 16780, 17178, 19296, 19348, 20094, 20380, 20736, 21628, 21798, 22164, 22408)
- runtime 2-10min (AVX@3.8Ghz)

3442*355^52451+1 found by zombie67 [MM]
424*355^54435+1 found by damotbe
10572*355^56966+1 found by [AF] Alliance Francophone
13246*355^58166+1 found by Adrian Schori
20136*355^63131+1 found by zombie67 [MM]
18630*355^63648+1 found by LCB001
12906*355^67056+1 found by Pete Broad
3628*355^71696+1 found by damotbe
8986*355^78137+1 found by damotbe
4840*355^88061+1 found by Mumps [MM]