def getProdFromArr(arrInput): nProd = 1 for xLoop in arrInput: nProd = nProd * xLoop return nProd arrSylvesterSeq = [] arrSylvesterSeq.append(2) while len(arrSylvesterSeq) < 10: arrSylvesterSeq.append(getProdFromArr(arrSylvesterSeq) + 1) print (arrSylvesterSeq)