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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A011888 Partial sums of A011863. 1
0, 1, 6, 22, 61, 142, 292, 548, 958, 1583, 2498, 3794, 5579, 7980, 11144, 15240, 20460, 27021, 35166, 45166, 57321, 71962, 89452, 110188, 134602, 163163, 196378, 234794, 278999, 329624, 387344, 452880 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
From R. J. Mathar, Mar 24 2011: (Start)
a(n) = (2*n+3)*(6*n^4+36*n^3+76*n^2+66*n+5)/960-(-1)^n/64.
G.f.: x*(1+x+x^2) / ( (1+x)*(x-1)^6 ). (End)
CROSSREFS
Cf. A011863.
Sequence in context: A066188 A071239 A105450 * A081282 A001769 A166020
KEYWORD
nonn,easy
AUTHOR
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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 12 20:37 EDT 2024. Contains 374252 sequences. (Running on oeis4.)