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A234356 Decimal expansion of B(18) = 43867/798, the 18th Bernoulli number. 2
5, 4, 9, 7, 1, 1, 7, 7, 9, 4, 4, 8, 6, 2, 1, 5, 5, 3, 8, 8, 4, 7, 1, 1, 7, 7, 9, 4, 4, 8, 6, 2, 1, 5, 5, 3, 8, 8, 4, 7, 1, 1, 7, 7, 9, 4, 4, 8, 6, 2, 1, 5, 5, 3, 8, 8, 4, 7, 1, 1, 7, 7, 9, 4, 4, 8, 6, 2, 1, 5, 5, 3, 8, 8, 4, 7, 1, 1, 7, 7, 9, 4, 4, 8, 6, 2, 1, 5, 5, 3, 8, 8, 4, 7, 1, 1, 7, 7, 9, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

B(6), B(16) and B(18) are the first three Bernoulli numbers such that their index is equal to their decimal expansion periodic length, B(16) and B(18) being the smallest such pair of consecutive even index Bernoulli numbers.

LINKS

Table of n, a(n) for n=2..101.

EXAMPLE

54.9711779448621553884711779448621553884...

MATHEMATICA

RealDigits[BernoulliB[18], 10, 100] // First

CROSSREFS

Cf. A021046 (B(6)), A234355 (B(16)).

Sequence in context: A198609 A054508 A110617 * A102081 A068397 A236405

Adjacent sequences:  A234353 A234354 A234355 * A234357 A234358 A234359

KEYWORD

nonn,cons

AUTHOR

Jean-Fran├žois Alcover and Paul Curtz, Dec 24 2013

STATUS

approved

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Last modified April 19 19:11 EDT 2019. Contains 322290 sequences. (Running on oeis4.)