_Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), _, Sep 19 2009
OEIS Server: https://oeis.org/edit/global/881
A. Karttunen, <a href="="/A165406/b165406.txt">Table of n, a(n) for n = 0..609</a>
nonn,base,new
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
0,3
A. Karttunen, <a href="b165406.txt">Table of n, a(n) for n = 0..609</a>
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.
nonn,base
Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Sep 19 2009
approved