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A062098 a(n) = 7 * n!. 1
7, 14, 42, 168, 840, 5040, 35280, 282240, 2540160, 25401600, 279417600, 3353011200, 43589145600, 610248038400, 9153720576000, 146459529216000, 2489811996672000, 44816615940096000, 851515702861824000 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,100

FORMULA

a(n) = n*a(n-1); a(1) = 7.

MAPLE

restart: G(x):=(x-8)/(1-x): f[0]:=G(x): for n from 1 to 19 do f[n]:=diff(f[n-1], x) od: x:=0: seq(-f[n], n=1..19); # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 03 2009]

PROG

(PARI) { a=7; for (n=1, 100, write("b062098.txt", n, " ", a*=n) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 01 2009]

CROSSREFS

Sequence in context: A067048 A189046 A098328 * A045759 A166637 A170918

Adjacent sequences:  A062095 A062096 A062097 * A062099 A062100 A062101

KEYWORD

nonn,easy

AUTHOR

Dan Henry (daniel.henry(AT)umit.maine.com), Jun 28 2001

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Jul 05 2001

OFFSET changed from 7,1 to 1,1 by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 01 2009

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.