login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A074704 a(n) = floor(n^(3/2)) - n*floor(n^(1/2)). 3
0, 0, 2, 0, 1, 2, 4, 6, 0, 1, 3, 5, 7, 10, 13, 0, 2, 4, 6, 9, 12, 15, 18, 21, 0, 2, 5, 8, 11, 14, 17, 21, 24, 28, 32, 0, 3, 6, 9, 12, 16, 20, 23, 27, 31, 35, 40, 44, 0, 3, 7, 10, 14, 18, 22, 27, 31, 35, 40, 44, 49, 54, 59, 0, 4, 8, 12, 16, 21, 25, 30, 34, 39, 44, 49, 54, 59, 64, 70 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

a(n) is the coefficient of 1/n in the base n representation of sqrt(n); namely, the digit after the 'decimal' point. - Jason Kimberley, Feb 2012

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Jason Kimberley, Index of expansions of sqrt(d) in base b

FORMULA

a(n) = A000093(n) - n * A000196(n).

CROSSREFS

Cf. A000196 [the digit before the 'decimal' point in the base n representation of sqrt(n)], A000093.

Sequence in context: A059347 A071496 A071502 * A025247 A341439 A127767

Adjacent sequences: A074701 A074702 A074703 * A074705 A074706 A074707

KEYWORD

nonn,look

AUTHOR

Reinhard Zumkeller, Sep 03 2002

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 5 19:57 EST 2022. Contains 358588 sequences. (Running on oeis4.)