Number of walks of length 2n on the 3-regular tree beginning and ending at some fixed vertex.
A089022
Number of walks of length 2n on the 3-regular tree beginning and ending at some fixed vertex.
Terms
- a(0) =1a(1) =3a(2) =15a(3) =87a(4) =543a(5) =3543a(6) =23823a(7) =163719a(8) =1143999a(9) =8099511a(10) =57959535a(11) =418441191a(12) =3043608351a(13) =22280372247a(14) =164008329423
External references
- oeis: A089022