# A012872 (b-file synthesized from sequence entry)
1 0
2 1
3 -1
4 0
5 -6
6 43
7 -195
8 1568
9 -15204
10 151373
11 -1798245
12 23630992
13 -338936730
14 5409752775
15 -93357461015
16 1736114575232
17 -34849328368680
18 747209331349305
19 -17053712316379593
20 413430901134512288