# A138780 (b-file synthesized from sequence entry)
7 1
8 6
9 21
10 56
11 126
12 252
13 2
14 462
15 18
16 792
17 90
18 1287
19 330
20 2002
21 990
22 3003
23 2574
24 3
25 4368
26 6006
27 36
28 6188
29 12870
30 234
31 8568
32 25740
33 1092
34 11628
35 48620
36 4095
37 15504
38 87516
39 13104
40 4
41 20349
42 151164
43 37128
44 60