Where A124579 has two successive identical values.

Terms

a(0) =1a(1) =9a(2) =15a(3) =31a(4) =36a(5) =40a(6) =47a(7) =165a(8) =237a(9) =330a(10) =354a(11) =357a(12) =365a(13) =402a(14) =406a(15) =421a(16) =426a(17) =794a(18) =797a(19) =813a(20) =885a(21) =894a(22) =897a(23) =905a(24) =914a(25) =1257a(26) =1281a(27) =1290a(28) =1298a(29) =1301