OFFSET
1,2
COMMENTS
For the first 10000 terms, most of them have digit sum 91. The only terms a(n) for n <= 10000 for which the digit sum is not 91 are 1, 2, 3 and a(1076) = 426666666666666624. - Chai Wah Wu, May 15 2020
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..10000
EXAMPLE
35479654545697453 is a palindrome whose sum of digits is 91. 35479654545697453/91 = 389886313688983 and 35479654545697453*91 = 3228648563658468223 which are both palindromes. So 35479654545697453 is a term.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Chai Wah Wu, May 12 2020
STATUS
approved