# A227495 (b-file synthesized from sequence entry)
1 4797
2 135138
3 2268072
4 25678020
5 224320572
6 1649999532
7 10785747852
8 64824941388
9 366263505612
10 1974734612940
11 10266404558796
12 51852359848908
13 255825084304332
14 1238033348475852
15 5895322649598924
16 27690990109023180
17 128550270229863372
18 590735658025999308