A028425 Clog sequence in base 4. Right to left concatenation of n, int(log_4(n)), int(log_4(int(log_4(n)))), ... in base 4.

1, 2, 3, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183

Offset

1,2

Links

Table of n, a(n) for n=1..55.

Crossrefs

Sequence in context: A279672 A364648 A089181 * A224987 A024630 A032809

Adjacent sequences: A028422 A028423 A028424 * A028426 A028427 A028428

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved