# A150058 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 18
4 63
5 217
6 840
7 3116
8 12822
9 49940
10 213082
11 858065
12 3752144
13 15476710
14 68937433
15 289560421
16 1308381375
17 5574640541
18 25475136467
19 109797841012
20 506366381092
21 2203178303236
22 10237857290985
23 44898464856787
24 209969329859264
25 927038143974244
26 4358902086028104
27 19356567982365715