What is the value of A in the 4th row so that tribbonatri (4) = 130, tribbonatri (5) = 218, tribbonatri (6) = 367 and tribbonatri (7) = 715?

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1. function tribbonatri (n : integer) 2. begin : integer if n=1 then tribbonatri := A 3. 4. 5. else if n=2 then 6. tribbonatri := B 7. else if n=3 then 8. tribbonatri := C 9. else 10. tribbonatri := tribbonatri (n-1) +tribbonatri (n-2)+tribbonatri (n- 3); 11. end; 1. function tribbonatri (n : integer) 2. begin : integer if n=1 then tribbonatri := A 3. 4. 5. else if n=2 then 6. tribbonatri := B 7. else if n=3 then 8. tribbonatri := C 9. else 10. tribbonatri := tribbonatri (n-1) +tribbonatri (n-2)+tribbonatri (n- 3); 11. end;

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Lets point tribbonatri as T in following discussion Now T1A T2B T3C T4T1T2T3ABC130 T5T4T3T2A2B2C2... View the full answer