Number of maximum matchings in the n-path complement graph.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =6a(5) =5a(6) =41a(7) =36a(8) =365a(9) =329a(10) =3984a(11) =3655a(12) =51499a(13) =47844a(14) =769159a(15) =721315a(16) =13031514a(17) =12310199a(18) =246925295a(19) =234615096a(20) =5173842311a(21) =4939227215a(22) =118776068256a(23) =113836841041