# A237654 (b-file synthesized from sequence entry)
0 1
1 0
2 5
3 5
4 25
5 49
6 150
7 365
8 990
9 2550
10 6726
11 17550
12 46015
13 120390
14 315275
15 825299
16 2160775
17 5656855
18 14809980
19 38772875
20 101508876
21 265753500
22 695751900
23 1821501900
24 4768754125
25 12484760124
26 32685526625
27 85571819345
28 224029931845
29 586517975725
30 1535523995826
31 4020054011225
32 10524638038410