Fermat pseudoprimes to base 2 that are products of two Mersenne numbers (not necessarily distinct) that are larger than 1.

A367229

Fermat pseudoprimes to base 2 that are products of two Mersenne numbers (not necessarily distinct) that are larger than 1.

Terms

    a(0) =1905a(1) =15841a(2) =129921a(3) =8322945a(4) =66977281

External references