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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A062186 a(n)=a(n-1)-a([n/2]) with a(1)=1. 2
1, 0, -1, -1, -1, 0, 1, 2, 3, 4, 5, 5, 5, 4, 3, 1, -1, -4, -7, -11, -15, -20, -25, -30, -35, -40, -45, -49, -53, -56, -59, -60, -61, -60, -59, -55, -51, -44, -37, -26, -15, 0, 15, 35, 55, 80, 105, 135, 165, 200, 235, 275, 315, 360, 405, 454, 503, 556, 609, 665, 721, 780, 839, 899, 959, 1020, 1081, 1141, 1201, 1260 (list; graph; refs; listen; history; internal format)
OFFSET

1,8

COMMENTS

Period of oscillations above and below the axis more than doubles at each cycle.

EXAMPLE

a(14)=a(13)-a(7)=5-1=4. a(15)=a(14)-a(7)=4-1=3.

CROSSREFS

Cf. A033485, A062187, A062188.

Sequence in context: A100771 A113771 A131845 * A085763 A062985 A168092

Adjacent sequences:  A062183 A062184 A062185 * A062187 A062188 A062189

KEYWORD

sign

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Jun 13 2001

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

Content is available under The OEIS End-User License Agreement .

Last modified February 17 16:39 EST 2012. Contains 206058 sequences.