Triangle A230420 transposed.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =4a(7) =4a(8) =5a(9) =6a(10) =12a(11) =14a(12) =16a(13) =19a(14) =22a(15) =55a(16) =59a(17) =65a(18) =73a(19) =82a(20) =94a(21) =293a(22) =314a(23) =336a(24) =362a(25) =395a(26) =432a(27) =479a(28) =1881a(29) =1971