login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A134915 a(0) = 1, a(n) = floor(a(n - 1)*Pi). 5
1, 3, 9, 28, 87, 273, 857, 2692, 8457, 26568, 83465, 262213, 823766, 2587937, 8130243, 25541911, 80242279, 252088554, 791959549, 2488014301, 7816327450, 24555716894, 77144059797, 242355211526, 761381352089, 2391950062303, 7514532743484, 23607600862089, 74165465437218 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Coincides with first 11 terms of A085839.

LINKS

Table of n, a(n) for n=0..28.

FORMULA

a(n) = A115239(n), n > 0. [From R. J. Mathar, Oct 27 2008]

MATHEMATICA

NestList[Floor[# \[Pi]]&, 1, 30]  (* Harvey P. Dale, Mar 28 2011 *)

CROSSREFS

Cf. A085839, A001672.

Sequence in context: A225114 A085839 A115239 * A118365 A095716 A124820

Adjacent sequences:  A134912 A134913 A134914 * A134916 A134917 A134918

KEYWORD

nonn

AUTHOR

Rolf Pleisch, Jan 29 2008

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified December 7 09:29 EST 2016. Contains 278849 sequences.