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Search: id:A121910
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| A121910 |
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a(n)=3*a(n-1)*a(n-2)*a(n-3)*a(n-4) - a(n-5). |
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+0
1
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| 1, 1, 1, 1, 1, 2, 5, 29, 869, 756029, 285790302433, 16335219393063437264866, 9201358366190200404401435237110861938769705, 974280733982260001387199480743715947574882281407081424281636939485383475668184
(list; graph; listen)
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OFFSET
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1,6
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MATHEMATICA
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a[n_] := a[n] = 3*a[n - 1]*a[n - 2]*a[n - 3]*a[n - 4] - a[n - 5]; a[0] = 1; a[1] = 1; a[2] = 1; a[3] = 1; a[4] = 1; Table[a[n], {n, 0, 15}]
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CROSSREFS
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Cf. A072879.
Sequence in context: A098717 A059784 A000283 this_sequence A073833 A086383 A118612
Adjacent sequences: A121907 A121908 A121909 this_sequence A121911 A121912 A121913
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KEYWORD
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nonn
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AUTHOR
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Roger Bagula (rlbagulatftn(AT)yahoo.com), Sep 09 2006
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EXTENSIONS
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Edited by njas, Sep 15 2006
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