Number of unrooted self-avoiding walks with n steps that can make turns from the set +-Pi/7, +-3*Pi/7, +-5*Pi/7.

A306177

Number of unrooted self-avoiding walks with n steps that can make turns from the set +-Pi/7, +-3*Pi/7, +-5*Pi/7.

Terms

    a(0) =1a(1) =3a(2) =11a(3) =55a(4) =275a(5) =1444a(6) =7609a(7) =40220a(8) =212051a(9) =1114206a(10) =5840287a(11) =30521627a(12) =159166728a(13) =828130291a(14) =4301636648

External references