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A046233 Numbers n such that n^3 is palindromic in base 5. 5
0, 1, 6, 26, 126, 626, 3126, 15626, 78126, 390626, 1953126, 9765626, 48828126, 244140626, 1220703126, 6103515626, 30517578126, 152587890626, 762939453126, 3814697265626, 19073486328126, 95367431640626, 476837158203126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Note that '626' is itself palindromic.

Contains all A034474(n), n>=1, as a subset because (5^n+1)^3=5^(3n)+3*5^(2n)+3*5^n+1 is a symmetric string 100..00300..00300..001 in base 5. [From R. J. Mathar, Jul 31 2008]

LINKS

Table of n, a(n) for n=1..23.

P. De Geest, World!Of Numbers

CROSSREFS

Cf. A046234.

Sequence in context: A283341 A046647 A233075 * A140231 A144037 A187458

Adjacent sequences:  A046230 A046231 A046232 * A046234 A046235 A046236

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, May 15 1998

EXTENSIONS

More terms from Megan Francis (mkf5011(AT)psu.edu), Nov 15 2005

STATUS

approved

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Last modified March 30 05:22 EDT 2017. Contains 284297 sequences.