# A356564 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 0
4 28
5 -30
6 888
7 -1260
8 51728
9 -196560
10 5293080
11 -22286880
12 710229408
13 -4851269280
14 138348035616
15 -1091188098000
16 36482139114240
17 -379928382462720
18 11812558481332992
19 -137793570801143040
20 4609972759421554560
21 -67292912045817561600