# A077900 (b-file synthesized from sequence entry) 0 1 1 0 2 3 3 -4 4 11 5 -24 6 55 7 -124 8 283 9 -640 10 1455 11 -3300 12 7491 13 -17000 14 38583 15 -87564 16 198731 17 -451024 18 1023615 19 -2323124 20 5272403 21 -11965880 22 27156935 23 -61633500 24 139879131 25 -317460000 26 720485263 27 -1635163524 28 3711054051 29 -8422351624 30 19114786775 31 -43381598124 32 98455874923