# A337905 (b-file synthesized from sequence entry)
1 1
2 2
3 15
4 60
5 340
6 1680
7 9135
8 48440
9 264726
10 1446060
11 7996296
12 44396352
13 248133600
14 1392623232
15 7850732175
16 44413669872
17 252098234674
18 1435074678180
19 8190821465970
20 46860693370920
21 268676908816680
22 1543504863288960
23 8883248453674920
24 51210412534906560