# A002748 (b-file synthesized from sequence entry)
0 1
1 2
2 3
3 26
4 13
5 1074
6 -1457
7 61802
8 7929
9 4218722
10 -6385349
11 934344762
12 -5065189307
13 141111736466
14 235257551943
15 23219206152074
16 -97011062913167
17 11887164842925762
18 -91890238533000461
19 4819930221202545242
20 -14547510704199530499
21 1184314832978574919922