This site is supported by donations to The OEIS Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A235711 Arithmetic derivative of quarter squares. 3
 0, 0, 0, 1, 4, 5, 6, 16, 32, 24, 10, 31, 60, 41, 14, 92, 192, 156, 108, 123, 140, 87, 22, 188, 384, 220, 26, 131, 252, 247, 240, 608, 1024, 560, 34, 375, 756, 417, 38, 476, 960, 704, 420, 493, 572, 321, 46, 1036, 2112, 1340, 500, 635, 780, 1107, 1458, 1620 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 COMMENTS a(n) = A003415(A002620(n)); a(2*n) = A068720(n), n > 0. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 0..10000 PROG (Haskell) a235711 = a003415 . a002620 CROSSREFS Cf. A068720. Sequence in context: A224678 A049899 A217464 * A010753 A221174 A047195 Adjacent sequences:  A235708 A235709 A235710 * A235712 A235713 A235714 KEYWORD nonn AUTHOR Reinhard Zumkeller, Mar 18 2014 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.

Last modified January 17 10:59 EST 2019. Contains 319218 sequences. (Running on oeis4.)