a(n) = least positive integer > a(n-1) and not a(i)*a(j)+a(k) for 1<=i<j<k<=n.

Terms

a(0) =1a(1) =3a(2) =4a(3) =5a(4) =6a(5) =12a(6) =13a(7) =14a(8) =22a(9) =23a(10) =39a(11) =48a(12) =55a(13) =56a(14) =102a(15) =110a(16) =119a(17) =129a(18) =145a(19) =156a(20) =164a(21) =183a(22) =209a(23) =218a(24) =259a(25) =268a(26) =299a(27) =318a(28) =345a(29) =372