The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A174787 Cumulative sums of A174725. 1
 1, 1, 1, 2, 2, 4, 4, 6, 7, 9, 9, 13, 13, 15, 17, 21, 21, 25, 25, 29, 31, 33, 33, 43, 44, 46, 48, 52, 52, 58, 58, 66, 68, 70, 72, 85, 85, 87, 89, 99, 99, 105, 105, 109, 113, 115, 115, 139, 140, 144, 146, 150, 150, 160, 162, 172, 174, 176, 176, 198, 198, 200, 204, 220, 222 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS By fitting a second order polynomial in Excel to the 77 first terms we get 0,039x^2+0,8859x-3,5396 with the R-square value 0,9974. LINKS CROSSREFS Cf. A174725, A174788, A002321. Sequence in context: A106247 A337030 A319400 * A094909 A237799 A318029 Adjacent sequences: A174784 A174785 A174786 * A174788 A174789 A174790 KEYWORD nonn AUTHOR Mats Granvik, Mar 29 2010 STATUS approved

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

Last modified December 2 20:59 EST 2022. Contains 358510 sequences. (Running on oeis4.)