A046247 Numbers n such that n^3 is palindromic in base 13.

0, 1, 2, 14, 170, 183, 2198, 2380, 28562, 28731, 30772, 371294, 373660, 399868, 4826810, 4829007, 4855540, 5198116, 62748518, 62779276, 63119980, 67575340, 815730722, 815759283, 816104212, 820557700, 878479252

Offset: 1

Author

Patrick De Geest, May 15 1998

Keywords

• nonn
• base

Links

• Patrick De Geest, World!Of Numbers, Palindromic cubes in bases 2 to 17.

Crossrefs

Cf. A046248.

Programs

Mathematica

For[i = 1, i < 1000000, i++, tmp = IntegerDigits[i^3, 13]; If[tmp == Reverse[tmp], Print[i]];]; (* Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 16 2006 *)
Select[Range[0, 88*10^7], PalindromeQ[IntegerDigits[#^3, 13]] &] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 05 2017 *)

Extensions

More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 16 2006