# A290031 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 16
4 128
5 640
6 2560
7 8960
8 28672
9 86016
10 245760
11 675840
12 1802240
13 4685824
14 11927552
15 29818880
16 73400320
17 178257920
18 427819008
19 1016070144
20 2390753280
21 5578424320
22 12918456320
23 29712449536
24 67914170368
25 154350387200
26 348966092800
27 785173708800
28 1758789107712