OFFSET
1,3
COMMENTS
There are 14 numbers in all, including single-digit numbers.
PROG
(PARI) isok(n) = digits(n, 10) == Vecrev(digits(n, 16)); \\ Michel Marcus, Oct 05 2019
CROSSREFS
KEYWORD
base,easy,fini,nonn,full
AUTHOR
Daniel Mondot, Dec 21 2007
STATUS
approved