# A012874 (b-file synthesized from sequence entry)
1 0
2 1
3 -1
4 -2
5 6
6 33
7 -285
8 -30
9 13580
10 -35987
11 -1418445
12 14453470
13 125352282
14 -3470151531
15 -8211284081
16 1077876542834
17 -6851721057480
18 -332020513124583
19 5842787569074567
20 104612291816295422