A038398 Concatenate first n cubes in reverse order.

1, 81, 2781, 642781, 125642781, 216125642781, 343216125642781, 512343216125642781, 729512343216125642781, 1000729512343216125642781, 13311000729512343216125642781, 172813311000729512343216125642781

Offset: 1

Author

M. I. Petrescu (mipetrescu(AT)yahoo.com)

Keywords

• nonn
• base
• easy

References

• Mihaly Bencze [Beneze], L. Tutescu, Some Notions and Questions in Number Theory, Sequence 6.

Crossrefs

Cf. A000578, A019522, A038397.

Programs

Mathematica

nn=20;With[{c=Reverse[Range[nn]^3]},Table[FromDigits[Flatten[ IntegerDigits/@ Take[ c,-n]]],{n,nn}]] (* Harvey P. Dale, Sep 28 2013 *)

Extensions

More terms from Andrew Gacek (andrew(AT)dgi.net), Feb 21 2000