377,408,571,332,377,577,989,664,___
Let T(n) be the nth term in this sequence.
Let T(2) = 408
==> T(n+4) = T(n) × sqrt(n)
e.g.
T(2) = 408, then T(6) = 408 × sqrt(2) = 577
T(3) = 571, then T(7) = 571 × sqrt(3) = 989
T(4) = 332, then T(8 ) = 332 × 2 = 664
T(5) = 377, then T(9) = 377 × sqrt(5) = 843