# A075220 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 3
5 4
6 12
7 21
8 56
9 111
10 261
11 462
12 1431
13 1875
14 4696
15 9410
16 20099
17 24034
18 77884
19 79925
20 266786
21 358096
22 658594
23 796571
24 3227163
25 2980476
26 6268017
27 10167660
28 24321735
29 21477012
30 85964698