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A020751
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Pisot sequence T(6,9), a(n) = floor(a(n-1)^2/a(n-2)).
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1
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6, 9, 13, 18, 24, 32, 42, 55, 72, 94, 122, 158, 204, 263, 339, 436, 560, 719, 923, 1184, 1518, 1946, 2494, 3196, 4095, 5246, 6720, 8608, 11026, 14123, 18089, 23168, 29673, 38004, 48674, 62339, 79840, 102254, 130960, 167724, 214808, 275109, 352337, 451244, 577915
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OFFSET
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0,1
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LINKS
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PROG
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(PARI) pisotT(nmax, a1, a2) = {
a=vector(nmax); a[1]=a1; a[2]=a2;
for(n=3, nmax, a[n] = floor(a[n-1]^2/a[n-2]));
a
}
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CROSSREFS
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Subsequence of A020747. See A008776 for definitions of Pisot sequences.
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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