# A338113 (b-file synthesized from sequence entry)
2 1
3 1
4 3
5 3
6 2
7 1
8 38
9 1080
10 14040
11 85500
12 274104
13 493920
14 504000
15 272160
16 60480
17 1
18 3502
19 9743106
20 3017318368
21 249756082950
22 8612276962188
23 156010151929968
24 1699145259725088
25 12107373916276800
26 59649257217110400