Triangle of numbers relating two sequences (A073157 and A073155).

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =9a(5) =14a(6) =18a(7) =28a(8) =38a(9) =56a(10) =70a(11) =106a(12) =131a(13) =167a(14) =237a(15) =293a(16) =433a(17) =523a(18) =613a(19) =753a(20) =1046a(21) =1283a(22) =1869a(23) =2219a(24) =2543a(25) =2893a(26) =3479a(27) =4762a(28) =5808a(29) =8374