A110432 Arithmetic mean of all n-digit positive multiples of n, rounded down.

5, 54, 550, 5498, 54997, 549999, 5500001, 54999996, 550000003, 5499999995, 55000000000, 550000000002, 5500000000001, 55000000000001, 549999999999997, 5499999999999992, 55000000000000003, 549999999999999999, 5500000000000000004

Offset

1,1

Links

Table of n, a(n) for n=1..19.

Example

a(3) = A.M. of {102,105,...,996,999} = Floor[(102+999)/2] =550.

Crossrefs

Cf. A110430, A110431.

Sequence in context: A229298 A087125 A110430 * A215542 A304322 A132619

Adjacent sequences: A110429 A110430 A110431 * A110433 A110434 A110435

Keyword

easy,nonn,base

Author

Amarnath Murthy, Aug 02 2005

Extensions

Corrected and extended by Joshua Zucker, May 10 2006

Status

approved