# A022492 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 10
5 28
6 100
7 421
8 2101
9 11953
10 76121
11 533780
12 4077565
13 33655662
14 298278708
15 2824175781
16 28446451346
17 303704165521
18 3425895062137
19 40716009508038
20 508528878864884