# A074511 (b-file synthesized from sequence entry)
0 3
1 10
2 42
3 190
4 882
5 4150
6 19722
7 94510
8 456162
9 2215270
10 10814202
11 53022430
12 260917842
13 1287811990
14 6371951082
15 31591319950
16 156882857922
17 780119322310
18 3883416742362
19 19348364235070
20 96466943268402
21 481235204714230
22 2401777977060042
23 11991297699255790