A051157 - OEIS

A051157

a(n) = (2^p^3 - 1)/(2^p^2 - 1) where p = n-th prime.

17, 262657, 1267650638007162390353805312001, 31828687130226401637050536789795514059715404495050094614691019248562308626412218127220737

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OFFSET

1,1

LINKS

MATHEMATICA

Table[(2^Prime[n]^3 - 1)/(2^Prime[n]^2 - 1), {n, 4}] (* Stefano Spezia, Dec 23 2022 *)

CROSSREFS

KEYWORD

nonn,easy

AUTHOR

STATUS

approved