# A337274 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 2
5 6
6 20
7 82
8 376
9 2010
10 11788
11 77816
12 556016
13 4366814
14 36773666
15 335394762
16 3251474116
17 33770466316
18 370474881290
19 4317182375632
20 52861107601060
21 683129289079532
22 9234228045432682
23 131059243976153410