Numbers that are both lucky numbers (A000959) and of form 2^k-1 (A000225).

A057613

Numbers that are both lucky numbers (A000959) and of form 2^k-1 (A000225).

Terms

    a(0) =1a(1) =3a(2) =7a(3) =15a(4) =31a(5) =63a(6) =127a(7) =511a(8) =1023a(9) =4095a(10) =8191a(11) =131071a(12) =524287a(13) =2097151a(14) =4194303a(15) =8388607a(16) =33554431a(17) =67108863a(18) =8589934591

External references