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A203743 v(n+1)/v(n), where v=A203742. 2

%I #7 Jan 09 2013 03:50:12

%S 3,49,3211,1836471,5601269268,126224789371821,18172730429870356071,

%T 18165994225387223595663024,122253429876903823048050870627075,

%U 5642245751352209334312275747406397652667

%N v(n+1)/v(n), where v=A203742.

%C See A093883 for a discussion and guide to related sequences.

%t f[j_] := Fibonacci[j]; z = 11;

%t u := Product[f[j]^2 + f[j] f[k] + f[k]^2, {j, 1, k - 1}]

%t v[n_] := Product[u, {k, 2, n}]

%t Table[v[n], {n, 1, z}] (* A203742 *)

%t Table[v[n + 1]/v[n], {n, 1, z}] (* A203743 *)

%K nonn

%O 1,1

%A _Clark Kimberling_, Jan 05 2012

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Last modified September 16 22:04 EDT 2024. Contains 375979 sequences. (Running on oeis4.)