126138

Appears in sequences

• a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 3, with initial terms 1,3.at n=9A025229
• a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-2)*a(2) for n >= 3.at n=9A025239
• Start the sequence S with a(1) = 1008973 and extend S with a(n)/2 when a(n) is even, otherwise with a(n) + the smallest prime not yet added.at n=8A388141