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!)
 A186636 a(n) = n*(n^3+n^2+2*n+1). 1
 0, 5, 34, 129, 356, 805, 1590, 2849, 4744, 7461, 11210, 16225, 22764, 31109, 41566, 54465, 70160, 89029, 111474, 137921, 168820, 204645, 245894, 293089, 346776, 407525, 475930, 552609, 638204, 733381, 838830, 955265, 1083424, 1224069, 1377986, 1545985, 1728900, 1927589, 2142934, 2375841, 2627240 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Number of lunar divisors of the number 11111 in base n+1. LINKS D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing] CROSSREFS Sequence in context: A272955 A317297 A135973 * A034224 A167023 A316559 Adjacent sequences:  A186633 A186634 A186635 * A186637 A186638 A186639 KEYWORD nonn AUTHOR N. J. A. Sloane, Feb 24 2011 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 20 02:05 EST 2019. Contains 319320 sequences. (Running on oeis4.)