OFFSET
1,50
COMMENTS
Records 0, 1, 2, 6, 7, 10, 14, etc., occur at n = 1, 2, 50, 125, 243, 1729, 8192, etc.
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..10000 (based on Hans Havermann's factorization of A156552)
FORMULA
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Mar 21 2019
STATUS
approved