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A110432
Arithmetic mean of all n-digit positive multiples of n, rounded down.
0
5, 54, 550, 5498, 54997, 549999, 5500001, 54999996, 550000003, 5499999995, 55000000000, 550000000002, 5500000000001, 55000000000001, 549999999999997, 5499999999999992, 55000000000000003, 549999999999999999, 5500000000000000004
OFFSET
1,1
EXAMPLE
a(3) = A.M. of {102,105,...,996,999} = Floor[(102+999)/2] =550.
CROSSREFS
Sequence in context: A229298 A087125 A110430 * A215542 A304322 A132619
KEYWORD
easy,nonn,base
AUTHOR
Amarnath Murthy, Aug 02 2005
EXTENSIONS
Corrected and extended by Joshua Zucker, May 10 2006
STATUS
approved