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

Offset: 2

Author

Jean-François Alcover and Paul Curtz, Dec 24 2013

Keywords

• nonn
• cons

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.

Examples

			54.9711779448621553884711779448621553884...
		

Crossrefs

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

Programs

Mathematica

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