A024092 a(n) = 8^n - n^4.

1, 7, 48, 431, 3840, 32143, 260848, 2094751, 16773120, 134211167, 1073731824, 8589919951, 68719456000, 549755785327, 4398046472688, 35184372038207, 281474976645120, 2251799813601727, 18014398509377008

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..400

Programs

Magma

[8^n-n^4: n in [0..20]]; // Vincenzo Librandi, Jul 05 2011