1,1

Some solutions for n=3

...1.1.1.1.1.1.1.2...1.1.1.1.1.2.2.2...2.2.1.1.1.1.2.2...1.1.1.1.1.1.1.1

...2.2.1.2.2.1.1.2...2.1.2.1.2.2.2.2...2.2.2.2.1.1.2.2...1.1.1.2.1.1.1.1

...2.2.2.2.2.2.2.2...2.2.2.2.2.2.2.2...2.2.2.2.2.2.2.2...1.2.2.2.2.2.1.1

------

...2.2.1.1.2.2.2.2...2.2.2.1.1.1.2.2...1.1.1.1.1.1.1.2...1.1.1.1.1.1.1.1

...2.2.2.2.2.2.2.2...2.2.2.2.1.2.2.2...1.1.2.1.1.2.2.2...2.2.1.1.1.1.1.1

...2.2.2.2.2.2.2.2...2.2.2.2.2.2.2.2...2.2.2.2.2.2.2.2...2.2.2.2.2.2.1.1

Sequence in context: A020918 A041368 A026882 this_sequence A038841 A021354 A006565

Adjacent sequences: A166791 A166792 A166793 this_sequence A166795 A166796 A166797

nonn

Ron Hardin (rhhardin(AT)att.net) Oct 21 2009