|
Search: id:A110431
|
|
|
| A110431 |
|
Floor[Arithmetic mean of all n-digit positive multiples of 3]. |
|
+0
2
|
|
| 6, 55, 550, 5500, 55000, 550000, 5500000, 55000000, 550000000, 5500000000, 55000000000, 550000000000, 5500000000000, 55000000000000, 550000000000000, 5500000000000000, 55000000000000000, 550000000000000000, 5500000000000000000
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Subsidiary sequence: Floor[Arithmetic mean of all n-digit multiples of k, for a given k].
|
|
EXAMPLE
|
a(2) = A.M. of {12,15,...96,99} = Floor[(12+99)/2] =55.
|
|
CROSSREFS
|
Cf. A110430.
Sequence in context: A066514 A009577 A097300 this_sequence A118836 A079589 A006200
Adjacent sequences: A110428 A110429 A110430 this_sequence A110432 A110433 A110434
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 02 2005
|
|
EXTENSIONS
|
Corrected and extended by Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 10 2006
|
|
|
Search completed in 0.002 seconds
|
