Triangle of 4-Eulerian numbers.

Terms

a(0) =1a(1) =1a(2) =4a(3) =1a(4) =13a(5) =16a(6) =1a(7) =32a(8) =113a(9) =64a(10) =1a(11) =71a(12) =531a(13) =821a(14) =256a(15) =1a(16) =150a(17) =2090a(18) =6470a(19) =5385a(20) =1024a(21) =1a(22) =309a(23) =7470a(24) =40510a(25) =65745a(26) =33069a(27) =4096a(28) =1a(29) =628