Quote:
Originally Posted by sweety439
Base 36:
O{L}Z (4428*36^n+67)/5: tested to n=50K, no (probable) prime found
{P}SZ (6480*36^n+821)/7: currently at n=41566, no (probable) prime found
Base 40:
S{Q}d (86*40^n+37)/3: currently at n=59777, no (probable) prime found

Base 36 {P}SZ (6480*36^n+821)/7 tested to n=50K, no (probable) prime found.
Result file attached.