A304760 Binary encoding of 1-digits in ternary representation of A254103(n).

0, 1, 0, 2, 2, 3, 0, 0, 6, 4, 4, 1, 2, 7, 4, 5, 14, 3, 0, 4, 10, 0, 0, 6, 6, 12, 12, 2, 10, 8, 8, 5, 30, 4, 4, 9, 2, 15, 12, 0, 22, 11, 8, 9, 2, 11, 8, 1, 14, 19, 16, 1, 26, 3, 0, 8, 22, 3, 0, 12, 18, 8, 8, 1, 62, 3, 0, 20, 10, 16, 16, 9, 6, 28, 28, 1, 26, 7, 4, 13, 46, 20, 20, 2, 18, 16, 16, 13, 6, 20, 20, 10, 18

Offset: 0

Author

Antti Karttunen, May 29 2018

Keywords

• nonn
• base

Links

• Antti Karttunen, Table of n, a(n) for n = 0..16384
• Index entries for sequences related to binary expansion of n

Crossrefs

Cf. A254103, A289813, A304740 (rgs-transform).

Cf. also A291760.

Programs

PARI

A254103(n) = if(!n,n,if(!(n%2),(3*A254103(n/2))-1,(3*(1+A254103((n-1)/2)))\2));
A289813(n) = { my (d=digits(n, 3)); from digits(vector(#d, i, if (d[i]==1, 1, 0)), 2); } \\ From A289813
A304760(n) = A289813(A254103(n));

Formula

a(n) = A289813(A254103(n)).