A017225 a(n) = (9*n + 5)^5.

3125, 537824, 6436343, 33554432, 115856201, 312500000, 714924299, 1453933568, 2706784157, 4704270176, 7737809375, 12166529024, 18424351793, 27027081632, 38579489651, 53782400000, 73439775749

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..10000
• Index entries for linear recurrences with constant coefficients, signature (6, -15, 20, -15, 6, -1).

Crossrefs

Cf. A000584 (n^5), A017221 (9*n+5),

Programs

Magma

[(9*n+5)^5: n in [0..25]]; // Vincenzo Librandi, Jul 24 2011

Formula

G.f.: (3125 + 519074*x + 3256274*x^2 + 2941234*x^3 + 365149*x^4 + 1024*x^5)/(x-1)^6. - R. J. Mathar, Mar 20 2018