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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A198858 a(n) = 11*8^n-1. 1
 10, 87, 703, 5631, 45055, 360447, 2883583, 23068671, 184549375, 1476395007, 11811160063, 94489280511, 755914244095, 6047313952767, 48378511622143, 387028092977151, 3096224743817215, 24769797950537727, 198158383604301823 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (9,-8). FORMULA a(n) = 8*a(n-1)+7. a(n) = 9*a(n-1)-8*a(n-2), n>1. G.f.: ( 10-3*x ) / ( (8*x-1)*(x-1) ). - R. J. Mathar, Oct 31 2011 MAPLE A198858:=n->11*8^n-1: seq(A198858(n), n=0..30); # Wesley Ivan Hurt, Jan 22 2017 MATHEMATICA 11*8^Range[0, 20]-1 (* or *) LinearRecurrence[{9, -8}, {10, 87}, 20] (* Harvey P. Dale, May 19 2021 *) PROG (MAGMA) [11*8^n-1: n in [0..30]] (PARI) a(n)=11*8^n-1 \\ Charles R Greathouse IV, Jan 23 2017 CROSSREFS Sequence in context: A264174 A218894 A251193 * A331793 A121115 A292998 Adjacent sequences:  A198855 A198856 A198857 * A198859 A198860 A198861 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Oct 31 2011 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 24 11:04 EDT 2022. Contains 354033 sequences. (Running on oeis4.)