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A062546
Decimal expansion of the 2nd Du Bois-Reymond constant.
16
1, 9, 4, 5, 2, 8, 0, 4, 9, 4, 6, 5, 3, 2, 5, 1, 1, 3, 6, 1, 5, 2, 1, 3, 7, 3, 0, 2, 8, 7, 5, 0, 3, 9, 0, 6, 5, 9, 0, 1, 5, 7, 7, 8, 5, 2, 7, 5, 9, 2, 3, 6, 6, 2, 0, 4, 3, 5, 6, 3, 9, 1, 1, 2, 6, 1, 2, 8, 6, 8, 9, 8, 0, 3, 9, 5, 2, 8, 8, 8, 1, 6, 9, 2, 1, 5, 6, 2, 4, 2, 5, 3, 9, 5, 6, 0, 8, 9, 7, 3, 8, 6, 8, 7, 6
OFFSET
0,2
REFERENCES
S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 238.
Francois Le Lionnais, Les nombres remarquables, Paris, Hermann, 1983, pp. 23.
LINKS
FORMULA
Equals (exp(2)-7)/2.
Continued fraction: [0, 5, 7, 9, 11, 13, ...]. - Gerald McGarvey, Oct 15 2005
Equals exp(1)*cosh(1) - 4 = BesselI(1/2, 1)/BesselI(3/2, 1) - 3. - Terry D. Grant, Jul 20 2018
EXAMPLE
0.194528049465325113...
MATHEMATICA
RealDigits[(E^2 - 7)/2, 10, 105][[1]] (* Jean-François Alcover, Jun 12 2018 *)
CROSSREFS
Cf. A062545, A224196 (c3), A207528 (c4), A243108 (c5), A245333 (c6).
Cf. A073747 (has a similar continued fraction)..
Sequence in context: A199179 A344949 A300072 * A245887 A336603 A308226
KEYWORD
cons,easy,nonn
AUTHOR
Jason Earls, Jun 26 2001
STATUS
approved