# A351879 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 -2
4 0
5 10
6 10
7 -60
8 -220
9 400
10 4200
11 2200
12 -90200
13 -290400
14 1892000
15 15796000
16 -24024000
17 -775676000
18 -1592492000
19 36509880000
20 240055640000
21 -1435950560000
22 -23703057840000
23 7376731120000
24 2082346354000000
25 9478853472000000
26 -162472029808000000