3-Knödel numbers (A033553) that are not divisible by 3.

Terms

a(0) =50963a(1) =5834755a(2) =9835843a(3) =155627923a(4) =245056003a(5) =332852435a(6) =556268443a(7) =724014203a(8) =795650963a(9) =831912763a(10) =2440444163a(11) =4080848203a(12) =5067702643a(13) =5140068643a(14) =5555216803a(15) =7461332483a(16) =8438160643a(17) =11766788323a(18) =11951765003a(19) =13058213003a(20) =13483943203a(21) =14528402983a(22) =16644521435a(23) =17847852803