11983725

Appears in sequences

• Base-2 digits of a(n) are, in order, the first n terms of the periodic sequence with initial period 1,0,1.at n=23A033120
• Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,1.at n=11A037639
• List of codewords in binary lexicode with Hamming distance 12 written as decimal numbers.at n=23A075952
• a(n) = a(n-1) + 2^(A007494(n-1)).at n=15A113835
• Numbers whose base 8 or octal representation is 555555555......5.at n=8A125836
• Numbers k such that (rol(k) XOR ror(k)) = k, where rol = A006257 and ror = A038572 are rotations of binary digits by one place to the left and right, and XOR is the binary exclusive-or operator.at n=15A273050