# A284843 (b-file synthesized from sequence entry)
1 3
2 12
3 55
4 318
5 2163
6 16952
7 150183
8 1483290
9 16153027
10 192234372
11 2481692343
12 34538108822
13 515428409715
14 8210201868528
15 139028223047143
16 2493848817565362
17 47236883312958723
18 942120664413581180
19 19735072617803491767
20 433187081497364626542