5315050000

Appears in sequences

• a(n) = Product_{i=1..n} (i^2 + 1).at n=8A101686
• a(n) = (1^2 + 1)*(2^2 + 1)*(3^2 + 1)*...*(((prime(n) - 1)/2)^2 + 1).at n=5A228120