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A199319 4*6^n+1. 1
5, 25, 145, 865, 5185, 31105, 186625, 1119745, 6718465, 40310785, 241864705, 1451188225, 8707129345, 52242776065, 313456656385, 1880739938305, 11284439629825, 67706637778945, 406239826673665, 2437438960041985, 14624633760251905 (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 (7,-6).

FORMULA

a(n) = 5*A083066(n).

a(n) = 6*a(n-1)-5.

a(n) = 7*a(n-1)-6*a(n-2).

G.f.: 5*(1-2*x)/((1-x)*(1-6*x)).

MAPLE

A199319:=n->4*6^n + 1; seq(A199319(n), n=0..30); # Wesley Ivan Hurt, Feb 25 2014

MATHEMATICA

Table[4*6^n + 1, {n, 0, 30}] (* Wesley Ivan Hurt, Feb 25 2014 *)

LinearRecurrence[{7, -6}, {5, 25}, 40] (* Harvey P. Dale, Oct 08 2015 *)

PROG

(MAGMA) [4*6^n+1: n in [0..30]];

CROSSREFS

Sequence in context: A114870 A222676 A285382 * A049427 A121639 A098349

Adjacent sequences:  A199316 A199317 A199318 * A199320 A199321 A199322

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 06 2011

STATUS

approved

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Last modified October 17 21:17 EDT 2021. Contains 348065 sequences. (Running on oeis4.)