# A033971 (b-file synthesized from sequence entry)
0 1
1 30
2 15
3 436
4 218
5 109
6 3162
7 1581
8 45850
9 22925
10 664826
11 332413
12 9639978
13 4819989
14 139779682
15 69889841
16 2026805390
17 1013402695
18 29388678156
19 14694339078
20 7347169539
21 213067916632
22 106533958316