A279969 a(1)=1, a(n+1)=2^(prime(a(n))-1).

1, 2, 4, 64, 2085924839766513752338888384931203236916703635113918720651407820138886450957656787131798913024

Offset

1,2

Links

Table of n, a(n) for n=1..5.

Mathematica

NestList[Power[2, Prime[#]-1]&, 1, 4]

Crossrefs

Cf. A058891, A279944.

Sequence in context: A088079 A118993 A219735 * A361228 A018364 A100603

Adjacent sequences: A279966 A279967 A279968 * A279970 A279971 A279972

Keyword

nonn

Author

Gus Wiseman, Dec 24 2016

Status

approved