# A136357 (b-file synthesized from sequence entry)
1 4
2 6
3 9
4 15
5 30
6 105
7 210
8 2310
9 3465
10 15015
11 120120
12 765765
13 4084080
14 33948915
15 106696590
16 334639305
17 892371480
18 3234846615
19 71166625530
20 100280245065
21 200560490130
22 3710369067405
23 29682952539240
24 1369126185872445