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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A024815 a(n) = least k such that tan(k) < tan(a(n-1)), for n >= 1, with a(0) = 0. 0
0, 2, 5, 8, 11, 52174, 573204, 42781604 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..7.

PROG

(PARI) a(nn) = {last = 0; lastk = 0; print1(lastk, ", "); for (i=1, nn, k = lastk; while (tan(k) >= last, k++; ); print1(k, ", "); last = tan(k); lastk = k; ); } \\ Michel Marcus, Mar 23 2013

CROSSREFS

Sequence in context: A229883 A135050 A004112 * A073837 A189531 A190347

Adjacent sequences:  A024812 A024813 A024814 * A024816 A024817 A024818

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

a(7) from Michel Marcus, Mar 23 2013

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 19 19:11 EDT 2019. Contains 324222 sequences. (Running on oeis4.)