# A048076 (b-file synthesized from sequence entry)
1 0
2 0
3 0
4 0
5 0
6 2
7 3
8 15
9 45
10 60
11 140
12 286
13 360
14 720
15 1500
16 1935
17 4455
18 10415
19 13895
20 32487
21 73255
22 97188
23 216580
24 476910
25 632706
26 1418514
27 3181482
28 4259520
29 9690000
30 21851202
31 29366007
32 66481107
33 149093417
34 200571107