What is the next term in the Tribonacci sequence: 0, 0, 1, 1, 2, ...? 

Fill in the blank:

Recursive definition: a₁=0,a₂=0,a₃=1,a_n=a_n-1+a_n-2+a_n-3,n>3.Terms of sequence are ___________.

Which of the following is not a recursive sequence?

Recursive definition: a₁=2, a_n+1=3a_n, n >1 ,What is a₃?

Fill in the blank:

Recursive definition: a₀=0,a_n=2a_n-1+1.Terms of sequence are___________.

Recursive definition: a₁=1, a_n+1=a_n+n, n >1, What is a₅?

Recursive definition: a₁=0,a₂=1,a_n=a_n-1+a_n-2,n >2. Terms of sequence are:

In an arithmetic sequence with a common difference (d) of 4, what is the 5th term if the first term is 2?

Recursive definition: a₁=1, a_n+1=a_n+3, n >1, What is a₅?

Which recursive sequence starts with the terms 1, 1 and each subsequent term is the sum of the two preceding terms?