# A012969 (b-file synthesized from sequence entry) 0 1 1 0 2 4 3 -6 4 19 5 -140 6 910 7 -5250 8 39925 9 -414360 10 4244200 11 -42242750 12 500292775 13 -7036001700 14 98944220050 15 -1395690728250 16 22347132003625 17 -399376247582000 18 7158271817183500 19 -130527261318021750