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A079027 a(n)=det(M(n)) where M(n) is the n X n matrix defined by m(i,i)=6, m(i,j)=i/j. +0
2
6, 35, 200, 1125, 6250, 34375, 187500, 1015625, 5468750, 29296875, 156250000, 830078125, 4394531250, 23193359375, 122070312500, 640869140625, 3356933593750, 17547607421875, 91552734375000, 476837158203125 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n)=(n+5)*5^(n-1)

CROSSREFS

Cf. A006234.

Sequence in context: A027202 A026934 A131435 this_sequence A081105 A161727 A121838

Adjacent sequences: A079024 A079025 A079026 this_sequence A079028 A079029 A079030

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 01 2003

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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