OFFSET
1,3
COMMENTS
No more terms less than 10^4. Looking at the pattern mod 9, I conjecture that there will be more terms past 10^8. - Joshua Zucker, May 14 2006
LINKS
Michael S. Branicky, Table of n, a(n) for n = 1..10000
PROG
(Python) # use code in A118763
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, May 01 2006
EXTENSIONS
a(15) onward from Michael S. Branicky, Jan 13 2026
STATUS
approved
