The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A155635 8^n+5^n-1. 16
 1, 12, 88, 636, 4720, 35892, 277768, 2175276, 17167840, 136170852, 1083507448, 8638762716, 68963617360, 550976517012, 4404150026728, 35214889666956, 281627564601280, 2252562753138372, 18018213206747608, 144134261562183996 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Index entries for linear recurrences with constant coefficients, signature (14,-53,40). FORMULA G.f.: 1/(1-8*x)+1/(1-5*x)-1/(1-x). E.g.f.: e^(8*x)+e^(5*x)-e^x. a(n)=13*a(n-1)-40*a(n-2)-28 with a(0)=1, a(1)=12 - Vincenzo Librandi, Jul 21 2010 MATHEMATICA Table[8^n+5^n-1, {n, 0, 40}] (* or *) LinearRecurrence[{14, -53, 40}, {1, 12, 88}, 40] (* Harvey P. Dale, Jan 17 2017 *) PROG (PARI) a(n)=8^n+5^n-1^n \\ Charles R Greathouse IV, Jun 11 2015 CROSSREFS Cf. A155596, A155597, A155598, A155599, A155600, A155601, A155622, A155623, A155624, A155625, A155626, A155627, A155628, A155629, A155630, A155631, A155632, A155633, A155634. Sequence in context: A125349 A164608 A081009 * A126507 A181704 A009657 Adjacent sequences:  A155632 A155633 A155634 * A155636 A155637 A155638 KEYWORD nonn,easy AUTHOR Mohammad K. Azarian, Jan 30 2009 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 24 00:51 EST 2021. Contains 340398 sequences. (Running on oeis4.)