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%I #4 Jul 17 2015 10:52:15
%S 2,3,15,105,385,5005,17017,323323,1062347,30808063,434113615,
%T 35336848261,1448810778701,33545541876077,266186053068611,
%U 5426100312552455,9156001667401012567,42962777054727828199
%N Numerators of A002110 divided by A102647, starting from the second term of both.
%o (PARI) a1(n)=prod(i=1, n, prime(i)); b1(n)=prod(i=1, n, prime(n+1)%prime(i));
%o a(n)=if(n<0, 0, numerator(a1(n)/b1(n))); for(n=1, 20, print1(a(n) ", "))
%Y Cf. A002110, A102647, A165658, A165659, A165660.
%K easy,nonn
%O 1,1
%A _Creighton Dement_, Sep 24 2009
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