# A253652 (b-file synthesized from sequence entry)
1 0
2 6
3 36
4 120
5 210
6 300
7 630
8 1176
9 2016
10 3240
11 3570
12 4950
13 7140
14 7260
15 10296
16 14196
17 19110
18 23436
19 25200
20 32640
21 39060
22 41616
23 52326
24 61776
25 64980
26 79800
27 97020
28 116886
29 139656
30 145530
31 165600
32 195000
33 228150
34 242556
35 265356
36 304590
37 306936
38 349866
39 353220
40 404550
41 426426
42 461280