Length of row n in A347317.

Terms

a(0) =1a(1) =3a(2) =4a(3) =6a(4) =6a(5) =8a(6) =9a(7) =11a(8) =12a(9) =13a(10) =15a(11) =17a(12) =19a(13) =23a(14) =29a(15) =36a(16) =43a(17) =60a(18) =91a(19) =150a(20) =265a(21) =493a(22) =946a(23) =1848a(24) =3649a(25) =7246a(26) =14437a(27) =28814a(28) =57564a(29) =115059