Distinct elements occurring in triangle of Eulerian numbers (sorted).

Terms

a(0) =1a(1) =4a(2) =11a(3) =26a(4) =57a(5) =66a(6) =120a(7) =247a(8) =302a(9) =502a(10) =1013a(11) =1191a(12) =2036a(13) =2416a(14) =4083a(15) =4293a(16) =8178a(17) =14608a(18) =15619a(19) =16369a(20) =32752a(21) =47840a(22) =65519a(23) =88234a(24) =131054a(25) =152637a(26) =156190a(27) =262125a(28) =455192a(29) =478271