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!)
A027850 (n+1)*(14*n^3+13*n^2+6*n+1). 1
1, 68, 531, 2056, 5645, 12636, 24703, 43856, 72441, 113140, 168971, 243288, 339781, 462476, 615735, 804256, 1033073, 1307556, 1633411, 2016680, 2463741, 2981308, 3576431, 4256496, 5029225, 5902676 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (5, -10, 10, -5, 1).

FORMULA

a(0)=1, a(1)=68, a(2)=531, a(3)=2056, a(4)=5645, a(n)=5*a(n-1)- 10*a(n-2)+ 10*a(n-3)-5*a(n-4)+a(n-5)  Harvey P. Dale, May 21 2012

G.f.: (-71*x^3-201*x^2-63*x-1)/(x-1)^5  Harvey P. Dale, May 21 2012

MATHEMATICA

Table[(n+1) (14 n^3+13 n^2+6 n+1), {n, 0, 30}] (* or *) LinearRecurrence[ {5, -10, 10, -5, 1}, {1, 68, 531, 2056, 5645}, 30] Harvey P. Dale, May 21 2012

CROSSREFS

Sequence in context: A281770 A032510 A211691 * A248467 A281565 A281883

Adjacent sequences:  A027847 A027848 A027849 * A027851 A027852 A027853

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

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 May 22 05:51 EDT 2022. Contains 353933 sequences. (Running on oeis4.)