Eigentriangle by rows, n terms of (5 * A084057) followed by A084057(n).

Terms

a(0) =1a(1) =5a(2) =1a(3) =5a(4) =5a(5) =6a(6) =5a(7) =5a(8) =30a(9) =16a(10) =5a(11) =5a(12) =30a(13) =80a(14) =56a(15) =5a(16) =5a(17) =30a(18) =80a(19) =280a(20) =176a(21) =5a(22) =5a(23) =30a(24) =80a(25) =280a(26) =880a(27) =1856a(28) =5a(29) =5