# A203166 (b-file synthesized from sequence entry)
1 1
2 3
3 11
4 50
5 274
6 394
7 908
8 2964
9 12576
10 65760
11 80160
12 174720
13 552960
14 2298240
15 11836800
16 13564800
17 28857600
18 90028800
19 370483200
20 1893888000
21 2101248000
22 4409856000
23 13644288000
24 55821312000
25 284083200000
26 308966400000