|
%I #16 May 17 2023 12:22:55
%S 4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,
%T 29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,
%U 52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78
%N a(n) = n + 4.
%C Pisot sequences E(4,5), P(4,5), T(4,5).
%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1).
%F a(n) = 2*a(n-1) - a(n-2).
%t Range[4, 100] (* _Wesley Ivan Hurt_, May 17 2023 *)
%o (PARI) a(n)=n+4
%Y See A008776 for definitions of Pisot sequences.
%K nonn,easy
%O 0,1
%A _David W. Wilson_
|
