# A016214 (b-file synthesized from sequence entry)
0 1
1 12
2 109
3 912
4 7417
5 59700
6 478693
7 3832824
8 30672433
9 245408988
10 1963360477
11 15707149536
12 125657993449
13 1005266339076
14 8042137887061
15 64337124619848
16 514697061528865
17 4117576685941164
18 32940614068660045
19 263524914292672560
20 2108199319571557081
21 16865594572262986452