Numbers which contain only the digit 3 in their base-4 representation, with at most one exception. If the exception is the most-significant digit, it must be the digit 1 or 2, otherwise the exception must be the digit 2.
A188529
Numbers which contain only the digit 3 in their base-4 representation, with at most one exception. If the exception is the most-significant digit, it must be the digit 1 or 2, otherwise the exception must be the digit 2.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =7a(4) =11a(5) =14a(6) =15a(7) =31a(8) =47a(9) =59a(10) =62a(11) =63a(12) =127a(13) =191a(14) =239a(15) =251a(16) =254a(17) =255a(18) =511a(19) =767a(20) =959a(21) =1007a(22) =1019a(23) =1022a(24) =1023a(25) =2047a(26) =3071a(27) =3839a(28) =4031a(29) =4079
External references
- oeis: A188529