Number of walks of length n between adjacent nodes on the Petersen graph.

Terms

a(0) =0a(1) =1a(2) =0a(3) =5a(4) =4a(5) =33a(6) =56a(7) =253a(8) =588a(9) =2105a(10) =5632a(11) =18261a(12) =52052a(13) =161617a(14) =473928a(15) =1443629a(16) =4287196a(17) =12948969a(18) =38672144a(19) =116365957a(20) =348398820a(21) =1046594561a(22) =3136987480a(23) =9416554845a(24) =28238479724a(25) =84737808793a(26) =254168687136a(27) =762595539893