A198479 a(n) = 10^n * n^10.

0, 10, 102400, 59049000, 10485760000, 976562500000, 60466176000000, 2824752490000000, 107374182400000000, 3486784401000000000, 100000000000000000000, 2593742460100000000000, 61917364224000000000000

Offset: 0

Author

Vincenzo Librandi, Oct 27 2011

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..900

Crossrefs

Cf. A008454, A011557.

Cf. A007758, A062074, A062075, A097206, A098803, A098880.

Programs

Magma

[10^n*n^10: n in [0..20]]

Mathematica

Table[10^n*n^10, {n,0,20}] (* G. C. Greubel, May 17 2022 *)

SageMath

[10^n*n^10 for n in (0..20)] # G. C. Greubel, May 17 2022

Formula

G.f.: 10*x*(1 + 10*x)*(1 + 10120*x + 4682800*x^2 + 408364000*x^3 + 9019900000*x^4 + 40836400000*x^5 + 46828000000*x^6 + 10120000000*x^7 + 100000000*x^8)/ (1-10*x)^11. - Colin Barker, May 01 2013

a(n) = A011557(n)*A008454(n). - Michel Marcus, May 18 2022