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A203682
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v(n+1)/v(n), where v=A203681.
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2
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3, 156, 142272, 2194403328, 557834881204224, 2303742029718154641408, 153403122389516451861994930176, 164074442468721024925743366747249967104, 2813282786110268238357922727341801514160674045952
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OFFSET
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1,1
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COMMENTS
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See A093883 for a discussion and guide to related sequences.
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LINKS
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MATHEMATICA
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f[j_] := 2^(j - 1); z = 12;
u[n_] := Product[f[j]^2 - f[j] f[k] + f[k]^2,
{j, 1, k - 1}]
v[n_] := Product[u[n], {k, 2, n}]
Table[v[n], {n, 1, z}] (* A203681 *)
Table[v[n + 1]/v[n], {n, 1, z}] (* A203682 *)
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CROSSREFS
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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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