OFFSET
1,1
COMMENTS
Because of the length constraints, all terms necessarily start (and hence end) with the digit 1. - Sean A. Irvine, Apr 04 2023
EXAMPLE
121 = 22 + 99, all are palindromes and the first is longer than the other two.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Erich Friedman, Jul 04 2001
EXTENSIONS
a(18)-a(30) from Donovan Johnson, Sep 19 2009
STATUS
approved