Tribonacci
const tribonacci = (signature,n) => {
let orgArr = [...signature]
let len = orgArr.length
let arr = []
if(n === 0){
return []
}else if(n < 3){
orgArr = orgArr.slice(0, n)
}else{
for(let i = len; i < n; i++){
if(i <= n){
arr = orgArr.slice(-3)
let nextValue = arr.reduce((acc, curr) => acc + curr, 0)
orgArr.push(nextValue)
arr = []
}else{
return 1
}
}
}
return orgArr
}