A016771 a(n) = (3*n)^7.

0, 2187, 279936, 4782969, 35831808, 170859375, 612220032, 1801088541, 4586471424, 10460353203, 21870000000, 42618442977, 78364164096, 137231006679, 230539333248, 373669453125, 587068342272, 897410677851

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..1000
• Index entries for linear recurrences with constant coefficients, signature (8, -28, 56, -70, 56, -28, 8, -1).

Crossrefs

Cf. A001015 (n^7).

Programs

Magma

[(3*n)^7: n in [0..25]]; // Vincenzo Librandi, May 09 2011