Mirror image of triangular array A336858.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =9a(8) =5a(9) =1a(10) =1a(11) =31a(12) =21a(13) =7a(14) =1a(15) =1a(16) =121a(17) =89a(18) =37a(19) =9a(20) =1a(21) =1a(22) =515a(23) =393a(24) =183a(25) =57a(26) =11a(27) =1a(28) =1a(29) =2321