A004639 Cubes written in base 9.

1, 8, 30, 71, 148, 260, 421, 628, 1000, 1331, 1738, 2330, 3011, 3678, 4560, 5551, 6658, 8000, 10361, 11868, 13630, 15541, 17618, 20860, 23381, 26088, 30000, 33101, 36408, 41030, 44771, 48848, 54260, 58821, 64728, 71000, 76431, 83238, 100330, 106711, 114478

Offset

1,2

Links

G. C. Greubel, Table of n, a(n) for n = 1..5000

Formula

a(n) = A007095(n^3) = A007095(A000578(n)). - Vincenzo Librandi, Oct 15 2015

Mathematica

Table[FromDigits[IntegerDigits[n^3, 9]], {n, 45}] (* Vincenzo Librandi, Oct 15 2015

Prog

(Magma) [Seqint(Intseq(n^3, 9)): n in [1..45]]; // Vincenzo Librandi, Oct 15 2015
(PARI) for(n=1, 40, print1(fromdigits(digits(n^3, 9)), ", ")) \\ G. C. Greubel, Sep 10 2018

Crossrefs

Cf. A000578, A007095.

Sequence in context: A008469 A299279 A184323 * A317637 A131769 A055832

Adjacent sequences: A004636 A004637 A004638 * A004640 A004641 A004642

Keyword

nonn,base

Author

N. J. A. Sloane

Extensions

Changed offset and more terms from Vincenzo Librandi, Oct 15 2015

Status

approved