# A281438 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 5
5 15
6 31
7 93
8 215
9 653
10 1619
11 4979
12 12949
13 40293
14 108517
15 341241
16 943937
17 2996127
18 8465319
19 27092419
20 77878271
21 251073791
22 732129719
23 2375764351
24 7012025277
25 22886955207
26 68254122669
27 223946197065
28 673885100857
29 2221505541773
30 6737598265009