OFFSET
1,1
COMMENTS
EXAMPLE
a(3) = 484 is a palindromic multiple of a(2) = 44 and contains two '4', all the digits of a(2).
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Chai Wah Wu, Mar 08 2021
EXTENSIONS
a(8) from Max Alekseyev, Feb 07 2024
STATUS
approved