A017275 a(n) = (10*n)^7.

0, 10000000, 1280000000, 21870000000, 163840000000, 781250000000, 2799360000000, 8235430000000, 20971520000000, 47829690000000, 100000000000000, 194871710000000, 358318080000000, 627485170000000

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 (8,-28,56,-70,56,-28,8,-1).

Crossrefs

Cf. A001015, A008592.

Programs

Magma

[(10*n)^7: n in [0..20]]; // Vincenzo Librandi, Jul 29 2011

Maple

A017275:=n->(10*n)^7; seq(A017275(n), n=0..20); # Wesley Ivan Hurt, Feb 10 2014

Mathematica

Table[(10 n)^7, {n, 0, 20}] (* Wesley Ivan Hurt, Feb 10 2014 *)

PARI

a(n)=(10*n)^7 \\ Charles R Greathouse IV, Jul 29 2011

Formula

a(n) = (10n)^7 = A008592(n)^7 = A001015(A008592(n)). - Wesley Ivan Hurt, Feb 10 2014