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Fibonacci(n^3) - Fibonacci(n).
1

%I #5 Sep 08 2022 08:46:02

%S 0,20,196416,10610209857720,59425114757512643212875120,

%T 619220451666590135228675387863297874269396504,

%U 215414832505658809004682396169711233230800418578767753330908886771798624

%N Fibonacci(n^3) - Fibonacci(n).

%H Vincenzo Librandi, <a href="/A211489/b211489.txt">Table of n, a(n) for n = 1..16</a>

%t Table[Fibonacci[n^3]-Fibonacci[n],{n,10}]

%o (Magma) [Fibonacci(n^3) - Fibonacci(n): n in [1..10]]

%K nonn,easy

%O 1,2

%A _Vincenzo Librandi_, Jul 09 2012