Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A004084
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A004084 a(n) = n-th positive integer k such that tan(k-1) <= 0 and tan(k) > 0. +0
2
1, 4, 7, 10, 13, 16, 19, 22, 26, 29, 32, 35, 38, 41, 44, 48, 51, 54, 57, 60, 63, 66, 70, 73, 76, 79, 82, 85, 88, 92, 95, 98, 101, 104, 107, 110, 114, 117, 120, 123, 126, 129, 132, 136, 139, 142, 145, 148, 151, 154, 158, 161, 164, 167 (list; graph; listen)
OFFSET

1,2

COMMENT

Gives integer solutions >1 to the equation x=ceiling(r*floor(x/r)) where r=Pi - Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 14 2004

FORMULA

a(n)=ceiling(Pi*n) for n>=1 - Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 14 2004

CROSSREFS

Sequence in context: A143460 A143459 A143458 this_sequence A121381 A143457 A046956

Adjacent sequences: A004081 A004082 A004083 this_sequence A004085 A004086 A004087

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


AT&T Labs Research