OFFSET
1,1
COMMENTS
Idea resulted from seqfan posts by Artur Jasinski.
MATHEMATICA
Table[(2^Prime[n] - 1)*(2^Prime[n] + 1), {n, 1, 20}]
PROG
(Python)
from sympy import prime
def A152099(n): return (1<<(prime(n)<<1))-1 # Chai Wah Wu, Jun 26 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Nov 24 2008
STATUS
approved