# A369123 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 20
4 68
5 224
6 672
7 1584
8 880
9 -22880
10 -215072
11 -1414400
12 -8012032
13 -41344000
14 -198120448
15 -884348160
16 -3640426752
17 -13403384320
18 -40424947200
19 -65476561920
20 329862128640
21 4603911045120
22 35276325027840
23 221747978649600
24 1244854463643648