# A296215 (b-file synthesized from sequence entry)
0 1
1 3
2 6
3 24
4 87
5 321
6 1176
7 4314
8 15822
9 58032
10 212847
11 780672
12 2863317
13 10501959
14 38518662
15 141277197
16 518170812
17 1900526031
18 6970672818
19 25566752964
20 93772706622
21 343935755925
22 1261473710904
23 4626782461218
24 16969926331719
25 62241612204120
26 228287277978756