Initial term in row n when A347317 is written as an irregular triangle.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =9a(9) =11a(10) =13a(11) =15a(12) =17a(13) =19a(14) =22a(15) =29a(16) =41a(17) =58a(18) =89a(19) =148a(20) =263a(21) =491a(22) =944a(23) =1846a(24) =3647a(25) =7244a(26) =14435a(27) =28812a(28) =57562a(29) =115057