A001685 : A clearer description?

[zak seidov]

Neil, Michael, seqfans,

Isn't the definition

%N A001685 From a continued fraction

slightly cryptic?

Thanks, Zak 

%I A001685 
%S A001685 1,2,3,5,13,83,2503,976253,31601312113,
%N A001685 From a continued fraction.
%C A001685 Every term is relatively prime to all
others. - Michael Somos Feb 01 2004
%D A001685 V. C. Harris, Another proof of the
infinitude of primes, Amer. Math. Monthly, 63 
               (1956), 711.
%o A001685 (PARI)
a(n)=if(n<3,max(0,n+1),a(n-2)+a(n-1)*prod(i=1,n-3,a(i)))
- Michael Somos 
               Feb 01 2004
%Y A001685 Cf. A003686, A064526.
%K A001685 nonn
%O A001685 0,2
%A A001685 njas


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