Diagonal sums of A104730.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =6a(5) =11a(6) =18a(7) =30a(8) =50a(9) =82a(10) =135a(11) =221a(12) =361a(13) =589a(14) =959a(15) =1560a(16) =2535a(17) =4116a(18) =6679a(19) =10832a(20) =17560a(21) =28457a(22) =46103a(23) =74674a(24) =120928a(25) =195802a(26) =316995a(27) =513148a(28) =830608a(29) =1344372