# A224729 (b-file synthesized from sequence entry)
0 1
1 2
2 14
3 138
4 1522
5 17740
6 213642
7 2628626
8 32833226
9 414697740
10 5282720764
11 67750624480
12 873653602902
13 11316723314858
14 147143725788662
15 1919360958676866
16 25105597581410410
17 329174706398378884
18 4325098764217263996
19 56934186664360843064