# A122502 (b-file synthesized from sequence entry)
1 0
2 1
3 0
4 22
5 54
6 522
7 2376
8 15236
9 82512
10 483332
11 2728296
12 15667920
13 89257896
14 510388840
15 2913416640
16 16643861824
17 95047963488
18 542884234608
19 3100533567552
20 17708509939040
21 101139309767520
22 577645632221792