A024084 a(n) = 7^n - n^9.

1, 6, -463, -19340, -259743, -1936318, -9960047, -39530064, -128452927, -347066882, -717524751, -380620948, 8681506849, 86284511034, 657562026065, 4709118150568, 33164211092865, 232511926110710, 1628215238620081

Offset

0,2

Links

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

Prog

(Magma) [7^n-n^9: n in [0..20]]; // Vincenzo Librandi, Jul 04 2011

Crossrefs

Sequence in context: A232593 A267082 A051735 * A332146 A132590 A112945

Adjacent sequences: A024081 A024082 A024083 * A024085 A024086 A024087

Keyword

sign,easy

Author

N. J. A. Sloane

Status

approved