Row 5 of rectangular table A124530.

Terms

a(0) =1a(1) =1a(2) =6a(3) =36a(4) =216a(5) =961a(6) =5977a(7) =39363a(8) =271564a(9) =1949165a(10) =14487241a(11) =111115804a(12) =877086405a(13) =7109569724a(14) =59075905996a(15) =502464618671