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

0,2

Links

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

Prog

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

Crossrefs

Sequence in context: A186653 A359916 A231378 * A163713 A192897 A317014

Adjacent sequences: A024089 A024090 A024091 * A024093 A024094 A024095

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved