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A020734 Pisot sequence L(4,10). 2

%I #10 Aug 07 2016 09:28:29

%S 4,10,25,63,159,402,1017,2573,6510,16472,41679,105461,266850,675216,

%T 1708513,4323086,10938795,27678662,70035898,177213300,448406526,

%U 1134612428,2870933600,7264383443,18381221638,46510390257,117686215012,297783895756,753488830979

%N Pisot sequence L(4,10).

%H Colin Barker, <a href="/A020734/b020734.txt">Table of n, a(n) for n = 0..1000</a>

%o (PARI) pisotL(nmax, a1, a2) = {

%o a=vector(nmax); a[1]=a1; a[2]=a2;

%o for(n=3, nmax, a[n] = ceil(a[n-1]^2/a[n-2]));

%o a

%o }

%o pisotL(50, 4, 10) \\ _Colin Barker_, Aug 07 2016

%Y See A008776 for definitions of Pisot sequences.

%K nonn

%O 0,1

%A _David W. Wilson_

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)