Diagonal sums of the triangle A132047.

Terms

a(0) =1a(1) =1a(2) =2a(3) =7a(4) =11a(5) =22a(6) =35a(7) =61a(8) =98a(9) =163a(10) =263a(11) =430a(12) =695a(13) =1129a(14) =1826a(15) =2959a(16) =4787a(17) =7750a(18) =12539a(19) =20293a(20) =32834a(21) =53131a(22) =85967a(23) =139102a(24) =225071a(25) =364177a(26) =589250a(27) =953431a(28) =1542683a(29) =2496118