A024044 a(n) = 4^n - n^8.

1, 3, -240, -6497, -65280, -389601, -1675520, -5748417, -16711680, -42784577, -98951424, -210164577, -413204480, -748621857, -1207353600, -1489148801, 0, 10204111743, 57699516160, 257894343903, 1073911627776

Offset: 0

Author

N. J. A. Sloane

Keywords

• sign
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..500

Programs

Magma

[4^n-n^8: n in [0..30]]; // Vincenzo Librandi, Jul 02 2011

Mathematica

Table[4^n-n^8,{n,0,20}] (* Harvey P. Dale, Sep 04 2018 *)