
LINKS

Table of n, a(n) for n=1..6.
N. Amersi, O. Beckwith, S. J. Miller, R. Ronan, and J. Sondow, Generalized Ramanujan primes, arXiv:1108.0475 [math.NT], 2011.
N. Amersi, O. Beckwith, S. J. Miller, R. Ronan, and J. Sondow, Generalized Ramanujan primes, Combinatorial and Additive Number Theory, Springer Proc. in Math. & Stat., CANT 2011 and 2012, Vol. 101 (2014), 113.
Vladimir Shevelev, Charles R. Greathouse IV, and Peter J. C. Moses, On intervals (kn,(k+1)n) containing a prime for all n>1, arXiv:1212.2785 [math.NT], 2012.
J. Sondow, Ramanujan primes and Bertrand's postulate, arXiv:0907.5232 [math.NT], 20092010; Amer. Math. Monthly, 116 (2009), 630635.
