A028423 Clog sequence in base 2. Right to left concatenation of n,int(log_2(n)),int(log_2(int(log_2(n)))),... in base 2.

1, 6, 7, 52, 53, 54, 55, 120, 121, 122, 123, 124, 125, 126, 127, 1680, 1681, 1682, 1683, 1684, 1685, 1686, 1687, 1688, 1689, 1690, 1691, 1692, 1693, 1694, 1695, 3424, 3425, 3426, 3427, 3428, 3429, 3430, 3431, 3432, 3433, 3434, 3435, 3436

Offset

1,2

Links

Table of n, a(n) for n=1..44.

Crossrefs

Sequence in context: A248264 A042843 A182622 * A269912 A042117 A335956

Adjacent sequences: A028420 A028421 A028422 * A028424 A028425 A028426

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved