Triangle in A071943 with rows reversed.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =2a(5) =1a(6) =9a(7) =7a(8) =3a(9) =1a(10) =31a(11) =24a(12) =12a(13) =4a(14) =1a(15) =113a(16) =89a(17) =46a(18) =18a(19) =5a(20) =1a(21) =431a(22) =342a(23) =183a(24) =76a(25) =25a(26) =6a(27) =1a(28) =1697a(29) =1355