OFFSET
1,11
COMMENTS
Conjecture: No entry is zero. For every n there exists a k such that n*k-1 is a palindrome.
EXAMPLE
a(13)=6 as 13*6-1=77, a palindrome.
MATHEMATICA
skpal[n_]:=Module[{k=1}, While[!PalindromeQ[k*n-1], k++]; k]; Array[skpal, 90] (* Harvey P. Dale, Jun 16 2022 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jul 03 2003
EXTENSIONS
More terms from Jason Earls, Jul 08 2003
STATUS
approved