Triangle of numbers related to Eulerian numbers.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =6a(5) =3a(6) =1a(7) =14a(8) =22a(9) =4a(10) =1a(11) =30a(12) =105a(13) =65a(14) =5a(15) =1a(16) =62a(17) =416a(18) =581a(19) =171a(20) =6a(21) =1a(22) =126a(23) =1491a(24) =3920a(25) =2695a(26) =420a(27) =7a(28) =1a(29) =254