A186636 a(n) = n*(n^3+n^2+2*n+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

Offset

0,2

Comments

Number of lunar divisors of the number 11111 in base n+1.

Links

Table of n, a(n) for n=0..40.

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]

Mathematica

Table[n(n^3+n^2+2n+1), {n, 0, 40}] (* Harvey P. Dale, Nov 14 2024 *)

Crossrefs

Sequence in context: A272955 A317297 A135973 * A034224 A167023 A316559

Adjacent sequences: A186633 A186634 A186635 * A186637 A186638 A186639

Keyword

nonn,changed

Author

N. J. A. Sloane, Feb 24 2011

Status

approved