p*2^p + 1 where p is prime.

A098773

p*2^p + 1 where p is prime.

Terms

    a(0) =9a(1) =25a(2) =161a(3) =897a(4) =22529a(5) =106497a(6) =2228225a(7) =9961473a(8) =192937985a(9) =15569256449a(10) =66571993089

External references