Zorach additive triangle, read by rows.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =9a(6) =7a(7) =11a(8) =17a(9) =26a(10) =5a(11) =12a(12) =23a(13) =40a(14) =66a(15) =8a(16) =13a(17) =25a(18) =48a(19) =88a(20) =154a(21) =10a(22) =18a(23) =31a(24) =56a(25) =104a(26) =192a(27) =346a(28) =14a(29) =24