a(n) is the smallest number satisfying a(n)^2+1 = p(n)*q(n), p(n) < q(n) both prime, such that q(n+1)/p(n+1) < q(n)/p(n) with the initial condition q(1)/p(1) < 3/2.
A261803
a(n) is the smallest number satisfying a(n)^2+1 = p(n)*q(n), p(n) < q(n) both prime, such that q(n+1)/p(n+1) < q(n)/p(n) with the initial condition q(1)/p(1) < 3/2.
Terms
- a(0) =50a(1) =334a(2) =516a(3) =670a(4) =844a(5) =1164a(6) =1250a(7) =1800a(8) =2450a(9) =9800a(10) =14450a(11) =20000a(12) =24200a(13) =101250a(14) =105800a(15) =135200a(16) =162450a(17) =168200a(18) =204800a(19) =304200a(20) =336200a(21) =451250a(22) =480200a(23) =490050a(24) =530450a(25) =696200a(26) =924800a(27) =966050a(28) =1008200a(29) =1125000
External references
- oeis: A261803