# A245067 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 120
4 1610
5 25956
6 474012
7 9475752
8 202921290
9 4587734580
10 108376022040
11 2654745191280
12 67043341981980
13 1737717447946200
14 46062204663294000
15 1245096242017227360
16 34239776369652506970
17 956050033694583839220