OFFSET
1,2
COMMENTS
A multiplicative semigroup: if m and n are in the sequence, then so is m*n.
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..20000
PROG
(PARI) isA373589 = A373588;
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Antti Karttunen, Jun 10 2024
STATUS
approved