# A321709 (b-file synthesized from sequence entry)
19 640237370572800
20 125042114810880000
21 12663309118470912000
22 885531242655070387200
23 48050907406540671926016
24 2155959161260047868965120
25 83244478130310272277600000
26 2842577637658581528366266112
27 87562415111185051655245105920
28 2469899876154506406497571909952