a(n) is the product of the least prime > n^2 and the greatest prime < (n+1)^2.

Terms

a(0) =6a(1) =35a(2) =143a(3) =391a(4) =899a(5) =1739a(6) =3233a(7) =5293a(8) =8051a(9) =11413a(10) =17653a(11) =24883a(12) =33389a(13) =43931a(14) =56977a(15) =72731a(16) =92881a(17) =118829a(18) =145699a(19) =176039a(20) =212197a(21) =254701a(22) =308911a(23) =357163a(24) =424663a(25) =492179a(26) =566609a(27) =660293a(28) =756611a(29) =864371