OFFSET
1,1
FORMULA
a(n) = 2 * A015950(n). - Max Alekseyev, Aug 04 2011
PROG
(Python)
A015945_list = [n for n in range(2, 10**6, 2) if pow(2, n, n) == n//2-1] # Chai Wah Wu, Mar 25 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved