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0,3
Multiplied by 10 this is 2/sqrt(3). - Alonso del Arte, Apr 30 2012
2/sqrt(3) is Hermite's constant gamma_2. - Jean-François Alcover, Sep 02 2014, after Steven Finch.
Ivan Panchenko, Table of n, a(n) for n = 0..1000
Steven R. Finch, Errata and Addenda to Mathematical Constants, p. 62.
Yining Hu, Patterns in numbers and infinite sums and products, arXiv:1506.00151 [math.NT], 2015.
(csc(Pi/3))/10, where csc is the cosecant function. - Alonso del Arte, Apr 30 2012
Product_{n>=1} ((3*n+1)/(3*n+2))^((-1)^n)), with offset 1. (see Hu link). - Michel Marcus, Jun 02 2015
0.1154700538379251529...
RealDigits[1/Sqrt[75], 10, 100][[1]] (* Alonso del Arte, Apr 30 2012 *)
Cf. A010153 (continued fraction, but missing the initial 0).
Sequence in context: A019124 A019323 A244088 * A246724 A199276 A021870
Adjacent sequences: A020829 A020830 A020831 * A020833 A020834 A020835
nonn,cons
N. J. A. Sloane.
approved