A020734 - OEIS

A020734

Pisot sequence L(4,10).

4, 10, 25, 63, 159, 402, 1017, 2573, 6510, 16472, 41679, 105461, 266850, 675216, 1708513, 4323086, 10938795, 27678662, 70035898, 177213300, 448406526, 1134612428, 2870933600, 7264383443, 18381221638, 46510390257, 117686215012, 297783895756, 753488830979

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Colin Barker, Table of n, a(n) for n = 0..1000

PROG

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

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

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

}

pisotL(50, 4, 10) \\ Colin Barker, Aug 07 2016

CROSSREFS