# A093627 (b-file synthesized from sequence entry)
1 1
2 3
3 15
4 42
5 330
6 390
7 3990
8 9660
9 36540
10 41580
11 595980
12 651420
13 10630620
14 11711700
15 13153140
16 29189160
17 594233640
18 630990360
19 14083949880
20 15015120120
21 16411875480
22 17575838280
23 463140798120
24 484557713640
25 2690500012200