# A334724 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 6
5 20
6 20
7 105
8 210
9 504
10 504
11 4620
12 4620
13 51480
14 51480
15 9009
16 18018
17 272272
18 272272
19 23279256
20 23279256
21 21162960
22 21162960
23 446185740
24 446185740
25 2059318800
26 2059318800
27 5736673800
28 5736673800
29 22181805360
30 22181805360
31 644658718275
32 1289317436550
33 1213475234400