a(n) is the smallest number such that a(n)+1 is a prime and the largest power of 2 which divides it is 2^n.

A057777

a(n) is the smallest number such that a(n)+1 is a prime and the largest power of 2 which divides it is 2^n.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =40a(4) =16a(5) =96a(6) =192a(7) =640a(8) =256a(9) =7680a(10) =13312a(11) =18432a(12) =12288a(13) =40960a(14) =114688a(15) =163840a(16) =65536a(17) =1179648a(18) =786432a(19) =5767168a(20) =7340032a(21) =23068672a(22) =104857600a(23) =377487360a(24) =754974720a(25) =167772160a(26) =469762048a(27) =2013265920a(28) =3489660928a(29) =12348030976

External references