A165406 Sequence A165404 shown in binary, or equivalently, sequence A163901 in quaternary base.

0, 1, 100, 110, 111, 10000, 10010, 10011, 11000, 11001, 11100, 11110, 11111, 1000000, 1000010, 1000011, 1001000, 1001001, 1001100, 1001110, 1001111, 1100000, 1100001, 1100100, 1100110, 1100111, 1110000, 1110010, 1110011

Offset

0,3

Links

A. Karttunen, Table of n, a(n) for n = 0..609

Crossrefs

a(n) = A007088(A165404(n)) = A007090(A163901(n)). For n>0, A147600(n-1) seems to give the number of terms with n binary digits.

Sequence in context: A204589 A134496 A191752 * A135603 A044866 A290948

Adjacent sequences: A165403 A165404 A165405 * A165407 A165408 A165409

Keyword

nonn,base

Author

Antti Karttunen, Sep 19 2009

Status

approved