# A149836 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 10
4 30
5 96
6 331
7 1182
8 4330
9 16440
10 63666
11 250784
12 1006836
13 4092702
14 16835669
15 70046157
16 293951828
17 1244027689
18 5304687807
19 22764368479
20 98291087090
21 426708971095
22 1861521206586
23 8158363043442
24 35903249248079
25 158607676019653
26 703176242526440
27 3127677546748113
28 13954219633996737