# A318119 (b-file synthesized from sequence entry)
0 0
1 0
2 560
3 14240
4 146680
5 922680
6 4226040
7 15492680
8 48144680
9 131678360
10 325322360
11 739761880
12 1570082800
13 3143824320
14 5988841040
15 10926565040
16 19197225520
17 32624627920
18 53829216160
19 86499340720
20 135731931720
21 208455129960
22 313946860040
23 464464838200