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A036291 n*5^n. 6
0, 5, 50, 375, 2500, 15625, 93750, 546875, 3125000, 17578125, 97656250, 537109375, 2929687500, 15869140625, 85449218750, 457763671875, 2441406250000, 12969970703125, 68664550781250, 362396240234375, 1907348632812500 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

FORMULA

G.f.: 5*x/(1 - 5*x)^2. - Vincenzo Librandi, Sep 09 2014

MAPLE

g:=1/(1-5*z): gser:=series(g, z=0, 43): seq(coeff(gser, z, n)*n, n=0..31); # Zerinvary Lajos, Jan 09 2009

MATHEMATICA

Table[n 5^n, {n, 0, 20}] (* Vincenzo Librandi, Sep 09 2014 *)

PROG

(MAGMA) [n*5^n: n in [0..20]]; // Vincenzo Librandi, Sep 09 2014

CROSSREFS

Sequence in context: A301997 A227883 A227261 * A060347 A133646 A043032

Adjacent sequences:  A036288 A036289 A036290 * A036292 A036293 A036294

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 23 19:33 EDT 2019. Contains 325263 sequences. (Running on oeis4.)