# A038787 (b-file synthesized from sequence entry)
1 2
2 6
3 12
4 104
5 356
6 4134
7 14572
8 190652
9 9588156
10 35791472
11 1908889156
12 27487843256
13 104715393912
14 1529755308212
15 86607687722856
16 4969489243995032
17 19215358445940816
18 1117984489315857512
19 16865594581677305360
20 65588423375098872068
21 3874762242354582408912