Transpose of square array A255483.

Terms

a(0) =2a(1) =6a(2) =3a(3) =10a(4) =15a(5) =5a(6) =210a(7) =21a(8) =35a(9) =7a(10) =22a(11) =1155a(12) =55a(13) =77a(14) =11a(15) =858a(16) =39a(17) =5005a(18) =91a(19) =143a(20) =13a(21) =1870a(22) =3315a(23) =85a(24) =17017a(25) =187a(26) =221a(27) =17a(28) =9699690a(29) =5187