1414875

Appears in sequences

• Triangle read by rows: T(n,k) = T(n-1,k-1)*T(n,k-1) and T(n,1) = prime(n).at n=13A066117
• Prime factorization representation of Stern polynomials: a(0) = 1, a(1) = 2, a(2n) = A003961(a(n)), a(2n+1) = a(n)*a(n+1).at n=54A260443
• a(n) = Product_{i=0..n} prime(i+2)^binomial(n,i).at n=3A267096
• a(n) = gcd(A260443(n), A260443(n+1)).at n=69A277198
• a(n) = gcd(A260443(n), A260443(n+1)).at n=70A277198
• Even bisection of A260443 (the odd terms): a(n) = A260443(2*n).at n=27A277323