4 of 6 added 262 characters in body

How can I make a tribonacci sequence in the form of a list?

how can I make a Tribonacci sequence that is in listing form? it suppose to look like the Fibonacci sequence but I couldn't get the same result with Tribonacci.enter image description here

Array[Fibonacci, 9]
{1, 1, 2, 3, 5, 8, 13, 21, 34}
Array[Tribonacci, 9]
{Tribonacci[1], Tribonacci[2], Tribonacci[3], Tribonacci[4], 
 Tribonacci[5], Tribonacci[6], Tribonacci[7], Tribonacci[8], Tribonacci[9]}