The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A017397 a(n) = (11*n)^9. 1
 0, 2357947691, 1207269217792, 46411484401953, 618121839509504, 4605366583984375, 23762680013799936, 95151694449171437, 316478381828866048, 913517247483640899, 2357947691000000000, 5559917313492231481 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..10000 Index entries for linear recurrences with constant coefficients, signature (10, -45, 120, -210, 252, -210, 120, -45, 10, -1). FORMULA a(n) = 10*a(n-1) - 45*a(n-2) + 120*a(n-3) - 210*a(n-4) + 252*a(n-5) - 210*a(n-6) + 120*a(n-7) - 45*a(n-8) + 10*a(n-9) - a(n-10); a(0)=0, a(1)=2357947691, a(2)=1207269217792, a(3)=46411484401953, a(4)=618121839509504, a(5)=4605366583984375, a(6)=23762680013799936, a(7)=95151694449171437, a(8)=316478381828866048, a(9)=913517247483640899. - Harvey P. Dale, Aug 27 2013 MATHEMATICA (11*Range[0, 20])^9 (* or *) LinearRecurrence[{10, -45, 120, -210, 252, -210, 120, -45, 10, -1}, {0, 2357947691, 1207269217792, 46411484401953, 618121839509504, 4605366583984375, 23762680013799936, 95151694449171437, 316478381828866048, 913517247483640899}, 20] (* Harvey P. Dale, Aug 27 2013 *) PROG (Magma) [(11*n)^9: n in [0..20]]; // Vincenzo Librandi, Sep 02 2011 CROSSREFS Sequence in context: A132907 A038685 A017289 * A017661 A307748 A131013 Adjacent sequences: A017394 A017395 A017396 * A017398 A017399 A017400 KEYWORD nonn,easy 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.

Last modified May 23 18:13 EDT 2024. Contains 372765 sequences. (Running on oeis4.)