# A030843 (b-file synthesized from sequence entry)
1 2
2 4
3 12
4 51
5 257
6 1542
7 10797
8 86379
9 777417
10 7774170
11 85515876
12 1026190519
13 13340476748
14 186766674472
15 2801500117085
16 44824001873369
17 762008031847289
18 13716144573251205
19 260606746891772899
20 5212134937835457985