%I M1693 N0669 #22 Jun 20 2017 12:24:02

%S 1,1,1,1,2,6,30,390,32370,81022110,79098077953830,

%T 2499603048957386233742790,

%U 6399996109983215106481566902449146981585570,1296147136591533261616288032775924136752630487513536584267056282299509616710

%N From a continued fraction.

%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H John Cerkan, <a href="/A001684/b001684.txt">Table of n, a(n) for n = 0..17</a>

%H V. C. Harris, <a href="http://www.jstor.org/stable/2309559">Another proof of the infinitude of primes</a>, Amer. Math. Monthly, 63 (1956), 711.

%F a(0) = a(1) = a(2) = 1, a(n) = Product_{k=0..n-3} A001685(k) for n >= 3. - _Sean A. Irvine_, Nov 13 2012

%K nonn

%O 0,5

%A _N. J. A. Sloane_

%E One more term from _Sean A. Irvine_, Nov 13 2012