OFFSET
0,2
COMMENTS
Complementary sequences (e.g.: 111010 and 000101) are taken to be equivalent. Related to maximum order complexity of sequences and also to number of incomplete paths in a De Bruijn graph.
LINKS
C. J. A. Jansen, Investigations on Nonlinear Streamcipher Systems: Construction and Evaluation Methods, Ph.D. Thesis, Delft University of Technology, The Netherlands, 1989, pp. 58-81.
EXAMPLE
For n <= 2, the following sequences can be generated. The periodic part is shown in square brackets. Only sequences starting with 0 are shown, since complementary sequences are equivalent.
n | sequences
-------------
0 | [0]
-------------
1 | [01]
| 0[1]
-------------
2 | [001]
| 0[01]
| [0011]
| 0[011]
| 00[1]
| 01[0]
| [010]
| 011[0]
| [0110]
| [011]
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Cees J. A. Jansen (cja(AT)iae.nl)
EXTENSIONS
Name clarified, and a(5) from Pontus von Brömssen, Jan 12 2023
STATUS
approved