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A097816 E.g.f. exp(5x)/(1-5x). 0
1, 10, 125, 2000, 40625, 1018750, 30578125, 1070312500, 42812890625, 1926582031250, 96329111328125, 5298101171875000, 317886070556640625, 20662594587402343750, 1446381621124267578125, 108478621584350585937500 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Michael Z. Spivey and Laura L. Steil, The k-Binomial Transforms and the Hankel Transform, Journal of Integer Sequences, Vol. 9 (2006), Article 06.1.1.
FORMULA
a(n) = 5n*a(n-1)+5^n, n>0, a(0)=1; a(n) = 5^n*A000522(n).
D-finite with recurrence a(n) +5*(-n-1)*a(n-1) +25*(n-1)*a(n-2)=0. - R. J. Mathar, Feb 19 2015
MATHEMATICA
With[{nn=20}, CoefficientList[Series[Exp[5x]/(1-5x), {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, May 24 2013 *)
CROSSREFS
Sequence in context: A089832 A161170 A281595 * A323877 A079609 A101599
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Aug 26 2004
STATUS
approved

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)