OFFSET
1,1
COMMENTS
Related to hyperperfect numbers of a certain form.
LINKS
J. S. McCranie, A study of hyperperfect numbers, J. Int. Seqs. Vol. 3 (2000) #P00.1.3.
PROG
(PARI) isok(n) = isprime(89^n-88); \\ Michel Marcus, Mar 12 2016
CROSSREFS
KEYWORD
nonn,more
AUTHOR
STATUS
approved