OFFSET
1,5
COMMENTS
a(1) = 1 by convention, which makes this sequence different from A135551.
Index of first occurrence of k in A037183. - Robert G. Wilson v, Oct 27 2014
LINKS
Robert G. Wilson v, Table of n, a(n) for n = 1..1000
MATHEMATICA
palindromicBases[n_] := Module[{p}, Table[p = IntegerDigits[n, b]; If[ p == Reverse[p], {b, p}, Sequence @@ {}], {b, 2, n - 1}]]; Table[ Length[ palindromicBases[n]], {n, 105}] (* Robert G. Wilson v, May 12 2005 *)
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Naohiro Nomoto, Dec 02 2001
STATUS
approved