Number of walks of length 2n+7 in the path graph P_8 from one end to the other.
A005023
Number of walks of length 2n+7 in the path graph P_8 from one end to the other.
Terms
- a(0) =7a(1) =34a(2) =143a(3) =560a(4) =2108a(5) =7752a(6) =28101a(7) =100947a(8) =360526a(9) =1282735a(10) =4552624a(11) =16131656a(12) =57099056a(13) =201962057a(14) =714012495a(15) =2523515514a(16) =8916942687a(17) =31504028992a(18) =111295205284a(19) =393151913464
External references
- oeis: A005023