# A125141 (b-file synthesized from sequence entry)
1 2
2 3
3 4
4 5
5 6
6 12
7 20
8 30
9 72
10 165
11 288
12 693
13 1056
14 3024
15 9280
16 22500
17 42845
18 60480
19 240000
20 794580
21 1814400
22 7040040
23 26352000
24 98654400
25 321552000
26 1260230400
27 5311834416
28 17570520000
29 75087810000
30 325180275840
31 1526817600000