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

Author

N. J. A. Sloane

Keywords

• sign
• easy

Links

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

Programs

Magma

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