#323
tribonacci
 

Difficulty:Easy
Topics:tribonacci seqs


Write a function which returns the first X tribonacci numbers.
test not run
(= (__ 3) '(0 1 1))
(= (__ 8) [0 1 1 2 4 7 13 24])
(= (__ 12) '(0 1 1 2 4 7 13 24 44 81 149 274))


Code which fills in the blank: