# A169895 (b-file synthesized from sequence entry)
6 21
7 264
8 2134
9 14108
10 83072
11 453812
12 2352872
13 11740144
14 56894391
15 269476772
16 1253108594
17 5740109460
18 25966561036
19 116231267108
20 515605930368
21 2269542200416
22 9922528937450
23 43125192822720
24 186450920282476
25 802370755873080
26 3438559602598096
27 14680863523207304