OFFSET
1,1
LINKS
Max Alekseyev, Table of n, a(n) for n = 1..316
MATHEMATICA
PrimeOmega[11^Range[70]-1]
PROG
(PARI) a(n)=bigomega(11^n-1)
CROSSREFS
KEYWORD
nonn
AUTHOR
Sean A. Irvine, Oct 16 2023
STATUS
approved