OFFSET
1,2
COMMENTS
For i >= 0, 48(99)^{2*i}84 is a term arising from k = 69^i6, where ^ is repeated concatenation. - Michael S. Branicky, Jan 30 2022
LINKS
Michael S. Branicky, Table of n, a(n) for n = 1..58
Patrick De Geest, Palindromic Quasipronics of the form n(n+x)
FORMULA
MATHEMATICA
Select[Table[k(k+8), {k, 0, 600000}], PalindromeQ] (* Harvey P. Dale, Jun 24 2023 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
a(26) and beyond from Michael S. Branicky, Jan 30 2022
STATUS
approved