Total number of self-intersections of all walks on the triangular lattice starting at the origin.
A098982
Total number of self-intersections of all walks on the triangular lattice starting at the origin.
Terms
- a(0) =0a(1) =0a(2) =6a(3) =84a(4) =846a(5) =7344a(6) =58704
External references
- oeis: A098982