# A343353 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 73
4 621
5 5229
6 44293
7 374277
8 3162447
9 26694159
10 225163687
11 1897751079
12 15983278059
13 134519816427
14 1131395821587
15 9509592524371
16 79880259426102
17 670590654977718
18 5626336598011078
19 47179486350900358
20 395410837699366686
21 3312225325409475038
22 27731588831310844302