A046234 Cubes which are palindromes in base 5.

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

Offset

1,3

Links

Table of n, a(n) for n=1..13.

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

Formula

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

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 *)

Crossrefs

Intersection of A029952 and A000578.

Cf. A046233.

Sequence in context: A269105 A352980 A223359 * A229408 A269285 A133052

Adjacent sequences: A046231 A046232 A046233 * A046235 A046236 A046237

Keyword

nonn,base

Author

Patrick De Geest, May 15 1998

Extensions

Offset corrected by Andrew Howroyd, Aug 10 2024

Status

approved