OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..865
MATHEMATICA
a[n_] := FactorInteger[n*2^n - 1][[-1, 1]]; Array[a, 40] (* Amiram Eldar, Oct 29 2024 *)
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
Sean A. Irvine, Oct 31 2023
STATUS
approved