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A297965
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a(n) = Fibonacci(binomial(n+3, 3)).
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0
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1, 3, 55, 6765, 9227465, 225851433717, 160500643816367088, 5358359254990966640871840, 13598018856492162040239554477268290, 4244200115309993198876969489421897548446236915, 263621064469290555679241849789653324393054271110084140201023
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OFFSET
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0,2
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COMMENTS
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Fourth diagonal of A045995.
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LINKS
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Table of n, a(n) for n=0..10.
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FORMULA
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a(n) = A000045(A000292(n+1)) = A045995(n+3, 3).
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MATHEMATICA
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Table[Fibonacci[Binomial[n + 3, 3]], {n, 0, 20}]
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PROG
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(Magma) [Fibonacci(Binomial(n+3, 3)): n in [0..20]];
(PARI) a(n) = fibonacci(binomial(n+3, 3)) \\ Felix Fröhlich, Jan 12 2018
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CROSSREFS
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Cf. A000045, A000292, A045995, A081667.
Sequence in context: A304640 A356483 A015099 * A002818 A119190 A172748
Adjacent sequences: A297962 A297963 A297964 * A297966 A297967 A297968
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KEYWORD
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nonn,easy
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AUTHOR
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Vincenzo Librandi, Jan 10 2018
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STATUS
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approved
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