OFFSET
1,1
COMMENTS
Digits 0, 4, 6, 8, and 9 can never occur; digits 2, 3, 5, 7 can occur at most once in a term; every other digit is a 1. - Sean A. Irvine, Jul 11 2022
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Oct 15 2000
EXTENSIONS
More terms from Sean A. Irvine, Jul 11 2022
STATUS
approved