A024118 a(n) = 10^n - n^4.

1, 9, 84, 919, 9744, 99375, 998704, 9997599, 99995904, 999993439, 9999990000, 99999985359, 999999979264, 9999999971439, 99999999961584, 999999999949375, 9999999999934464, 99999999999916479, 999999999999895024

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..300

Programs

Magma

[10^n-n^4: n in [0..20]]; // Vincenzo Librandi, Jun 30 2011