The Tribonacci sequence is defined by Tn=Tn−1+Tn−2+Tn−3T_n = T_{n-1} + T_{n-2} + T_{n-3}Tn=Tn−1+Tn−2+Tn−3 with T0=0,T1=1,T2=1T_0 = 0, T_1 = 1, T_2 = 1T0=0,T1=1,T2=1. What is T6T_6T6?
11
12
13
14