A305878 - OEIS

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A305878

For any number n >= 0: apply the map 0 -> "0", 1 -> "01", 2 -> "011" to the ternary representation of n and interpret the result as a binary string.

0, 1, 3, 2, 5, 11, 6, 13, 27, 4, 9, 19, 10, 21, 43, 22, 45, 91, 12, 25, 51, 26, 53, 107, 54, 109, 219, 8, 17, 35, 18, 37, 75, 38, 77, 155, 20, 41, 83, 42, 85, 171, 86, 173, 347, 44, 89, 179, 90, 181, 363, 182, 365, 731, 24, 49, 99, 50, 101, 203, 102, 205, 411

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

COMMENTS

This sequence is a ternary analog of A048678.

This sequence is a permutation of A003726.

LINKS

Table of n, a(n) for n=0..62.

Rémy Sigrist, Colored logarithmic scatterplot of the first 3^10 terms (where the color is function of A053735(n) + A081604(n))

FORMULA

a(0) = 0.

a(3*n) = 2*a(n).