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Search: id:A144788
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| A144788 |
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a[n+1]=a[n]^3-a[n]+1 with a[1]=3 |
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+0
11
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| 3, 25, 15601, 3797146111201, 54748462363349863789331489199516542401, 16410271977745376509306023730510524127974470293178883346313224009495327690257520\ 3916973404664183940277497050364801
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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For constant c=1.4298877386573092048908617214... see A144811
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FORMULA
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a[n+1]=a[n]^3-a[n]+1 and a[1]=3 c=1.4298877386573092048908617214089990105579282072122009922564664840947664406795038966101674534946818097262760272751269770338395914090542924 a(n) =round[c^(3^n)]
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MATHEMATICA
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a = {}; k = 3; Do[AppendTo[a, k]; k = k^3 - k + 1, {n, 1, 8}]; a (*Artur Jasinski*)
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CROSSREFS
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A000058, A082732, A144779, A144780, A144781, A144782, A144783, A144784, A144785, A144786, A144787, A144788
Sequence in context: A012764 A101733 A094815 this_sequence A062181 A058993 A083109
Adjacent sequences: A144785 A144786 A144787 this_sequence A144789 A144790 A144791
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Sep 22 2008
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