A046248 Cubes which are palindromes in base 13.

0, 1, 8, 2744, 4913000, 6128487, 10618986392, 13481272000, 23300532400328, 23716588941891, 29138498659648, 51186306590680184, 52171080143896000, 63936660906500032, 112455476846227241000, 112609104493770863343

Offset

1,3

Links

Table of n, a(n) for n=1..16.

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

Formula

a(n) = A046247(n)^3. - Andrew Howroyd, Aug 10 2024

Mathematica

Select[Range[0, 5*10^6]^3, IntegerDigits[#, 13]==Reverse[ IntegerDigits[ #, 13]]&] (* Harvey P. Dale, Dec 10 2017 *)

Crossrefs

Intersection of A029958 and A000578.

Cf. A046247.

Sequence in context: A233169 A233122 A017547 * A185901 A078525 A280282

Adjacent sequences: A046245 A046246 A046247 * A046249 A046250 A046251

Keyword

nonn,base

Author

Patrick De Geest, May 15 1998

Extensions

Offset corrected by Andrew Howroyd, Aug 10 2024

Status

approved