Total cutting number of all trees of order n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =5a(4) =15a(5) =47a(6) =127a(7) =363a(8) =978a(9) =2778a(10) =7624a(11) =21566a(12) =60584a(13) =172221a(14) =488978a(15) =1398457a(16) =4001323a(17) =11490717a(18) =33037548a(19) =95195793a(20) =274609124a(21) =793298293a(22) =2294114542a(23) =6641070332a(24) =19241453969a(25) =55795142707a(26) =161910611244