A234356 - OEIS

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A234356

Decimal expansion of B(18) = 43867/798, the 18th Bernoulli number.

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

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OFFSET

2,1

COMMENTS

B(6), B(16) and B(18) are the first three Bernoulli numbers whose index is equal to their decimal expansion periodic length, B(16) and B(18) being the smallest such pair of consecutive even-indexed 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: A359092 A110617 A371859 * A338502 A102081 A068397

Adjacent sequences: A234353 A234354 A234355 * A234357 A234358 A234359

KEYWORD

nonn,cons

AUTHOR

Jean-François Alcover and Paul Curtz, Dec 24 2013

STATUS

approved