# A104506 (b-file synthesized from sequence entry)
0 0
1 -1
2 -2
3 0
4 8
5 15
6 -6
7 -77
8 -120
9 117
10 770
11 946
12 -1728
13 -7735
14 -6930
15 22800
16 76960
17 42245
18 -282150
19 -751640
20 -125800
21 3341205
22 7145710
23 -2002725
24 -38228232
25 -65418925
26 55550014
27 424605078
28 566938400
29 -936604097
30 -4587287310