Diagonal sums of triangle A096815.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =6a(7) =9a(8) =12a(9) =18a(10) =26a(11) =37a(12) =52a(13) =77a(14) =110a(15) =156a(16) =226a(17) =324a(18) =464a(19) =668a(20) =960a(21) =1370a(22) =1977a(23) =2834a(24) =4060a(25) =5832a(26) =8371a(27) =11993a(28) =17219a(29) =24695