-4-Knödel numbers.

Terms

a(0) =4a(1) =6a(2) =8a(3) =12a(4) =14a(5) =16a(6) =20a(7) =24a(8) =40a(9) =48a(10) =56a(11) =60a(12) =66a(13) =80a(14) =104a(15) =120a(16) =140a(17) =176a(18) =204a(19) =240a(20) =260a(21) =266a(22) =476a(23) =560a(24) =696a(25) =728a(26) =920a(27) =1020a(28) =1040a(29) =1292