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A084305
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Continued fraction expansion of tanh(tanh(1)).
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0
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0, 1, 1, 1, 3, 1, 5, 3, 1, 2, 85, 1, 2, 2, 2, 1, 1, 1, 2, 5, 1, 7, 1, 1, 4, 1, 4, 1, 1, 1, 1, 6, 3, 1, 3, 3, 2, 1, 9, 12, 16, 4, 1, 1, 1, 2, 1, 2, 1, 49, 3, 7, 1, 2, 6, 1, 1, 1, 6, 1, 3, 2, 1, 1, 5, 2, 1, 199, 8, 1, 8, 1, 1, 2, 2, 1, 9, 1, 4, 4, 4, 2, 2, 1, 2, 1, 3, 1, 249, 1, 2, 2, 1, 1, 4, 1, 1, 135, 3, 2, 1
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OFFSET
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0,5
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LINKS
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EXAMPLE
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While cofrac of tanh(1)={0,1,3,5,7,11,..}, i.e. 0 and odd numbers, twice applying tanh() we get this sequence
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MAPLE
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with(numtheory); cfrac(tanh(tanh(tanh(1))), 300, 'quotients');
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MATHEMATICA
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ContinuedFraction[Tanh[Tanh[1]], 120] (* Harvey P. Dale, Jan 19 2024 *)
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CROSSREFS
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KEYWORD
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cofr,easy,nonn
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AUTHOR
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STATUS
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approved
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