# A009271 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 62 4 968 5 9962 6 557108 7 -202018 8 851334128 9 16341130322 10 -6757456189972 11 2480221403307782 12 -678177401929552792 13 194099813539570880762 14 -58073452241962644117532 15 18437894946039087568249262