(A178476(n)-3)/9.

Terms

a(0) =13717a(1) =13718a(2) =13727a(3) =13729a(4) =13738a(5) =13739a(6) =13817a(7) =13818a(8) =13837a(9) =13840a(10) =13848a(11) =13850a(12) =13927a(13) =13929a(14) =13937a(15) =13940a(16) =13959a(17) =13960a(18) =14038a(19) =14039a(20) =14048a(21) =14050a(22) =14059a(23) =14060a(24) =14717a(25) =14718a(26) =14727a(27) =14729a(28) =14738a(29) =14739