Triangle read by rows, (3, 3)-Lah numbers.

Terms

a(0) =1a(1) =216a(2) =1a(3) =74088a(4) =728a(5) =1a(6) =37933056a(7) =604800a(8) =1728a(9) =1a(10) =27653197824a(11) =642733056a(12) =2904768a(13) =3456a(14) =1a(16) =883130895360a(17) =5662172160a(18) =10497600a(19) =6200a(20) =1a(24) =34467586560a(25) =31422600a(26) =10296a(27) =1a(32) =163174556160a(33) =82006848a(34) =16128a(35) =1