A030293 Cubes with at most two different digits.

0, 1, 8, 27, 64, 343, 1000, 1331, 8000, 1000000, 8000000, 1000000000, 8000000000, 1000000000000, 8000000000000, 1000000000000000, 8000000000000000, 1000000000000000000, 8000000000000000000

Offset: 1

Author

Patrick De Geest

Keywords

• nonn
• base

Comments

A043537(a(n)) <= 2. [Reinhard Zumkeller, May 11 2012]

Programs

Haskell

a030293 n = a030293_list !! (n-1)
a030293_list = filter ((<= 2) . a043537) a000578_list
-- Reinhard Zumkeller, May 11 2012

Extensions

Offset corrected by Reinhard Zumkeller, May 11 2012