A046234 Cubes which are palindromes in base 5.

0, 1, 216, 17576, 2000376, 245314376, 30546884376, 3815429734376, 476855468984376, 59605102540234376, 7450592041021484376, 931322860717802734376, 116415328979492333984376

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

Intersection of A029952 and A000578.

Cf. A046233.

Programs

Mathematica

pb5Q[n_]:=Module[{idn5=IntegerDigits[n,5]},idn5==Reverse[idn5]]; Select[ Range[ 0,49*10^6]^3,pb5Q] (* Harvey P. Dale, Jan 21 2018 *)

Formula

a(n) = A046233(n)^3. - Andrew Howroyd, Aug 10 2024

Extensions

Offset corrected by Andrew Howroyd, Aug 10 2024