# A161743 (b-file synthesized from sequence entry) 3 1 4 10 5 73 6 425 7 1561 8 -2856 9 -73520 10 380160 11 15376416 12 -117209664 13 -7506967104 14 72162155520 15 7045087741056 16 -80246202992640 17 -11448278791372800 18 149576169325363200 19 30017051616972275712 20 -440857664887810867200