Largest prime factor of n-th Mersenne number (A001348(n)).

A003260

Largest prime factor of n-th Mersenne number (A001348(n)).

Terms

    a(0) =3a(1) =7a(2) =31a(3) =127a(4) =89a(5) =8191a(6) =131071a(7) =524287a(8) =178481a(9) =2089a(10) =2147483647a(11) =616318177a(12) =164511353a(13) =2099863a(14) =13264529a(15) =20394401

External references