Triangle, read by rows, equal to R^3, the matrix cube of R = A135894.

Terms

a(0) =1a(1) =3a(2) =1a(3) =15a(4) =9a(5) =1a(6) =99a(7) =81a(8) =15a(9) =1a(10) =814a(11) =816a(12) =195a(13) =21a(14) =1a(15) =8057a(16) =9366a(17) =2625a(18) =357a(19) =27a(20) =1a(21) =93627a(22) =122148a(23) =38270a(24) =6006a(25) =567a(26) =33a(27) =1a(28) =1252752a(29) =1795481