Length of row n of the array in A274183.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =11a(6) =16a(7) =24a(8) =35a(9) =52a(10) =77a(11) =114a(12) =168a(13) =249a(14) =368a(15) =545a(16) =806a(17) =1194a(18) =1768a(19) =2619a(20) =3879a(21) =5747a(22) =8514a(23) =12615a(24) =18692a(25) =27698a(26) =41045a(27) =60826a(28) =90141a(29) =133589