OFFSET
1,2
COMMENTS
After 2.5*10^16 terms of A347297, the only number under 10^6 which has not appeared is 579881. A "near miss" at a(9721580668313845) = 642436 filled in the second-to-last hole under 10^6.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Benjamin Chaffin, May 18 2026
STATUS
approved
