Number of closed walks of length n on the complete graph on 5 nodes from a given node.

A109499

Number of closed walks of length n on the complete graph on 5 nodes from a given node.

Terms

    a(0) =1a(1) =0a(2) =4a(3) =12a(4) =52a(5) =204a(6) =820a(7) =3276a(8) =13108a(9) =52428a(10) =209716a(11) =838860a(12) =3355444a(13) =13421772a(14) =53687092a(15) =214748364a(16) =858993460a(17) =3435973836a(18) =13743895348a(19) =54975581388a(20) =219902325556a(21) =879609302220

External references