# A177808 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 70
5 1
6 1
7 495
8 495
9 1
10 1
11 1820
12 12870
13 1820
14 1
15 1
16 4845
17 125970
18 125970
19 4845
20 1
21 1
22 10626
23 735471
24 2704156
25 735471
26 10626
27 1
28 1
29 20475
30 3108105
31 30421755
32 30421755
33 3108105
34 20475
35 1
36 1
37 35960
38 10518300
39 225792840
40 601080390
41 225792840
42 10518300
43 35960
44 1
45 1
46 58905
47 30260340
48 1251677700
49 7307872110
50 7307872110
51 1251677700
52 30260340
53 58905
54 1