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

1,3

Links

Table of n, a(n) for n=1..27.

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

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 *)

Crossrefs

Cf. A046248.

Sequence in context: A355779 A229257 A188194 * A141012 A351277 A235369

Adjacent sequences: A046244 A046245 A046246 * A046248 A046249 A046250

Keyword

nonn,base

Author

Patrick De Geest, May 15 1998

Extensions

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

Status

approved