Triangle read by rows: T(n,k) is the number of k-matchings in the C_n X P_2 graph (C_n is the cycle graph on n vertices and P_2 is the path graph on 2 vertices).
A102079
Triangle read by rows: T(n,k) is the number of k-matchings in the C_n X P_2 graph (C_n is the cycle graph on n vertices and P_2 is the path graph on 2 vertices).
Terms
- a(0) =1a(1) =6a(2) =5a(3) =1a(4) =9a(5) =18a(6) =4a(7) =1a(8) =12a(9) =42a(10) =44a(11) =9a(12) =1a(13) =15a(14) =75a(15) =145a(16) =95a(17) =11a(18) =1a(19) =18a(20) =117a(21) =336a(22) =420a(23) =192a(24) =20a(25) =1a(26) =21a(27) =168a(28) =644a(29) =1225
External references
- oeis: A102079