Triangular array read by rows: see Comments for definition.

Terms

a(0) =1a(1) =2a(2) =3a(3) =3a(4) =7a(5) =13a(6) =5a(7) =17a(8) =43a(9) =89a(10) =8a(11) =41a(12) =142a(13) =377a(14) =836a(15) =13a(16) =99a(17) =469a(18) =1597a(19) =4341a(20) =10063a(21) =21a(22) =239a(23) =1549a(24) =6765a(25) =22541a(26) =62011a(27) =148149a(28) =34a(29) =577