A342786 a(n) = position in A342753 of the base-2 representation of n.

3, 6, 12, 9, 18, 21, 39, 15, 27, 33, 60, 30, 57, 66, 120, 24, 42, 51, 90, 45, 87, 99, 180, 48, 84, 102, 183, 93, 174, 36, 63, 78, 135, 69, 132, 150, 72, 126, 153, 141, 75, 129, 156, 138, 147, 54, 96, 117, 105, 198, 108, 189, 114, 195, 111, 192, 81, 144, 177

Offset

1,1

Comments

Conjecture: (a(n)/3) is a permutation of the positive integers; see A342793.

Links

Table of n, a(n) for n=1..59.

Example

Positions of 1,2,3,4 in base 2 can be read from a list of the first 16 words in A342753: 0, 00, 1, 000, 01, 10, 0000, 001, 100, 010, 00000, 11, 0001, 0100, 1000, 0010.

Mathematica

(See A342753.)

Crossrefs

Cf. A342753, A342793.

Sequence in context: A296347 A081513 A338833 * A293474 A308727 A268217

Adjacent sequences: A342783 A342784 A342785 * A342787 A342788 A342789

Keyword

nonn,base

Author

Clark Kimberling, May 08 2021

Status

approved