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A023370
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a(n+1) = a(n) converted to base 7 from base 3 (written in base 10).
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1
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3, 7, 15, 63, 735, 117663, 376611711, 541418425729727, 49349984138571749904574011, 1338582341211107721547432508333066741828922851, 36471417839301806650071044099094271952733028881102465703717269909932159185709375
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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NestList[FromDigits[IntegerDigits[#, 3], 7]&, 3, 10] (* Harvey P. Dale, May 24 2011 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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a(11) from Harvey P. Dale, May 24 2011.
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STATUS
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approved
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