Number of undirected labeled graphs on n+4 nodes with exactly n cycle graphs as connected components.

A215774

Number of undirected labeled graphs on n+4 nodes with exactly n cycle graphs as connected components.

Terms

    a(0) =0a(1) =12a(2) =127a(3) =742a(4) =3157a(5) =10857a(6) =31899a(7) =82929a(8) =195459a(9) =425139a(10) =864864a(11) =1662661a(12) =3045406a(13) =5349526a(14) =9059946a(15) =14858646a(16) =23684298a(17) =36804558a(18) =55902693a(19) =83180328a(20) =121478203a(21) =174416935a(22) =246559885a(23) =343600335a(24) =472575285a(25) =642108285a(26) =862683822a(27) =1146955887a(28) =1510093452

External references