# A009301 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 -2
4 -11
5 -4
6 181
7 624
8 -3863
9 -37808
10 66121
11 2529440
12 4478365
13 -197245632
14 -1211701763
15 17275207936
16 226423491793
17 -1517532372736
18 -43068302925551
19 78275049887232
20 8876725117679941
21 24598365340871680
22 -1997577117130009403
23 -16151599386896207872
24 483811389670392875449