# A163133 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 4
5 11
6 42
7 196
8 988
9 5314
10 30724
11 189962
12 1244264
13 8583042
14 62112639
15 469917193
16 3707053139
17 30421506639
18 259182853643
19 2288352779166
20 20904648990227
21 197305045507448
22 1921509079008868
23 19285642292478101