- n=25-100k, 55k left (842, 1420, 11454, 17372, 20502, 21778, 22068, 22780, 27462, 31698, 33842, 34772, 37612, 39702, 39932, 43588, 53250, 53824, 54490, 57914, 59942, 60408, 62612, 65164, 69630, 73108, 80590, 85114, 85230, 86202, 87598, 88742, 89174, 92018, 100194, 101180, 107420, 108548, 110958, 114178, 117768, 120034, 122990, 123050, 123628, 129102, 137664, 138974, 141432, 142418, 143404, 145028, 148510, 148682, 149958)
- runtime 40s-7min (AVX@3.8Ghz)

87262*231^25145-1 found by Mumps [MM]
122758*231^25609-1 found by Joe
109760*231^25895-1 found by Robert7NBI
24272*231^28172-1 found by Crystal Pellet
86594*231^28220-1 found by Crystal Pellet
81108*231^28283-1 found by Adrian Schori
13834*231^28767-1 found by damotbe
52870*231^29455-1 found by Mankka*
118814*231^29893-1 found by Mankka*
113902*231^30475-1 found by LCB001
79314*231^33376-1 found by damotbe
131044*231^34137-1 found by arkiss
4728*231^38111-1 found by Mankka*
151294*231^41111-1 found by damotbe
135658*231^43097-1 found by Mumps [MM]
79140*231^43640-1 found by Mankka*
4088*231^43966-1 found by Adrian Schori
20510*231^45596-1 found by damotbe
53678*231^45782-1 found by damotbe
60174*231^45962-1 found by damotbe
60290*231^48068-1 found by Mumps [MM]
30694*231^49304-1 found by damotbe
63554*231^51800-1 found by Crystal Pellet
10354*231^58305-1 found by damotbe
2350*231^59517-1 found by [AF>Libristes]IxPo
141722*231^63668-1 found by Mumps [MM]
34272*231^64126-1 found by damotbe
96250*231^68808-1 found by Cocagne
26160*231^69896-1 found by [AF>Le_Pommier>MacGeneration.com]Sloughi
40628*231^70272-1 found by arkiss
77728*231^70648-1 found by damotbe
107098*231^71283-1 found by Mumps [MM]
12848*231^71597-1 found by Adrian Schori
98744*231^75752-1 found by damotbe
69628*231^77468-1 found by Mumps [MM]
97932*231^78100-1 found by Mumps [MM]
21210*231^78681-1 found by damotbe
70152*231^80073-1 found by Mumps [MM]
130414*231^83729-1 found by Mumps [MM]
150544*231^96779-1 found by Johnny Rotten