# A156433 (b-file synthesized from sequence entry)
3 1
4 2
5 0
6 0
7 42
8 276
9 0
10 0
11 20340
12 216680
13 0
14 0
15 30693320
16 449345680
17 0
18 0
19 105796267920
20 1972495637280
21 0
22 0
23 696951215563680
24 15784392403940160
25 0
26 0
27 7817495632183997760
28 208339434598512497280
29 0
30 0