# A156102 (b-file synthesized from sequence entry)
-1 1
0 1
1 5
2 10
3 70
4 440
5 4280
6 44560
7 575920
8 8224640
9 134583680
10 2422639360
11 48232203520
12 1044455459840
13 24541639470080
14 620471213148160
15 16815502865029120
16 485975291876311040
17 14924807659888148480
18 485281269068774440960
19 16656262639515411742720
20 601766641496428795658240