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Search: id:A138705
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A138705 a(n) = number of terms in the continued fraction of the absolute value of B_{2n}, the (2n)th Bernoulli number. +0
3
1, 2, 2, 2, 2, 3, 6, 2 (list; graph; listen)
OFFSET

0,2

COMMENT

The continued fraction terms being counted include the initial 0, if there is one.

EXAMPLE

The 12th Bernoulli number is -691/2730. Now 691/2730 has the continued fraction 0 + 1/(3 + 1/(1 + 1/(19 + 1/(3 + 1/11)))), which has 6 terms (including the zero). So a(6) = 6.

CROSSREFS

Cf. A138704, A138706.

Sequence in context: A029100 A098133 A138185 this_sequence A114869 A078228 A119762

Adjacent sequences: A138702 A138703 A138704 this_sequence A138706 A138707 A138708

KEYWORD

more,nonn

AUTHOR

Leroy Quet (qq-quet(AT)mindspring.com), Mar 26 2008

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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