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!)
A017167 a(n) = (9*n)^7. 1
0, 4782969, 612220032, 10460353203, 78364164096, 373669453125, 1338925209984, 3938980639167, 10030613004288, 22876792454961, 47829690000000, 93206534790699, 171382426877952, 300124211606973 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (8, -28, 56, -70, 56, -28, 8, -1).
FORMULA
a(n) = 8*a(n-1) - 28*a(n-2) + 56*a(n-3) - 70*a(n-4) + 56*a(n-5) - 28*a(n-6) + 8*a(n-7) - a(n-8); a(0)=0, a(1)=4782969, a(2)=612220032, a(3)=10460353203, a(4)=78364164096, a(5)=373669453125, a(6)=1338925209984, a(7)=3938980639167. - Harvey P. Dale, Feb 21 2014
MATHEMATICA
(9*Range[0, 20])^7 (* or *) LinearRecurrence[{8, -28, 56, -70, 56, -28, 8, -1}, {0, 4782969, 612220032, 10460353203, 78364164096, 373669453125, 1338925209984, 3938980639167}, 20] (* Harvey P. Dale, Feb 21 2014 *)
PROG
(Magma) [(9*n)^7: n in [0..20]]; // Vincenzo Librandi, Jul 22 2011
CROSSREFS
Sequence in context: A224641 A323310 A017083 * A017383 A017503 A017635
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 March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)