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A013767
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a(n) = 20^(3*n + 2).
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1
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400, 3200000, 25600000000, 204800000000000, 1638400000000000000, 13107200000000000000000, 104857600000000000000000000, 838860800000000000000000000000, 6710886400000000000000000000000000, 53687091200000000000000000000000000000
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OFFSET
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0,1
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..200
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (8000).
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MATHEMATICA
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NestList[8000#&, 400, 10] (* Harvey P. Dale, May 11 2018 *)
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PROG
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(Magma) [20^(3*n+2): n in [0..10]]; // Vincenzo Librandi, Jun 27 2011
(PARI) a(n)=20^(3*n+2) \\ Charles R Greathouse IV, Jul 10 2016
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CROSSREFS
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Subsequence of A009964.
Sequence in context: A151652 A197441 A268366 * A013895 A296904 A159890
Adjacent sequences: A013764 A013765 A013766 * A013768 A013769 A013770
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane
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STATUS
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approved
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