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A396362
Primes of Erdős-Selfridge class 18-.
1
619108107719, 859409458847, 1326660230783, 1909804256567, 2217494975261, 2578228376539, 2956752300473, 3547991960417, 3991490955469, 4282936091899, 4737879681629, 4737879681637, 4890553740823, 5123338037879, 5124403789679, 5271044684327, 5456152311977
OFFSET
1,1
EXAMPLE
619108107719-1 = 2*309554053859, 309554053859 is in class 17- (A396361), so 619108107719 is in class 18-.
KEYWORD
nonn
AUTHOR
Jud McCranie, May 29 2026
STATUS
approved