A028424 Clog sequence in base 3. Right to left concatenation of n,int(log_3(n)),int(log_3(int(log_3(n)))),... in base 3.

1, 2, 12, 13, 14, 15, 16, 17, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 999, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023

Offset

1,2

Links

Table of n, a(n) for n=1..51.

Crossrefs

Sequence in context: A140355 A007041 A331880 * A037311 A031257 A182271

Adjacent sequences: A028421 A028422 A028423 * A028425 A028426 A028427

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved