# A038737 (b-file synthesized from sequence entry)
2 1
3 6
4 23
5 73
6 211
7 581
8 1560
9 4135
10 10890
11 28590
12 74946
13 196326
14 514123
15 1346148
16 3524441
17 9227311
18 24157645
19 63245795
20 165579930
21 433494205
22 1134902916
23 2971214796
24 7778741748
25 20365010748
26 53316290821
27 139583862066