Walks on hexagonal lattice using each point at most three times.

A007275

Walks on hexagonal lattice using each point at most three times.

Terms

    a(0) =1a(1) =6a(2) =36a(3) =216a(4) =1296a(5) =7776a(6) =46440a(7) =276054a(8) =1633848a(9) =9633366a(10) =56616132a(11) =331847118a(12) =1940715960a(13) =11327957196a(14) =66010769382a(15) =384094025382

External references