OFFSET
2,3
COMMENTS
a(n) is the period of the expansion of 1/prime(n) in hexadecimal.
LINKS
Jianing Song, Table of n, a(n) for n = 2..10000
FORMULA
PROG
(PARI) a(n) = znorder(Mod(16, prime(n))).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Jianing Song, May 13 2024
STATUS
approved