# A121626 (b-file synthesized from sequence entry)
0 1
1 1
2 -3
3 -26
4 161
5 2876
6 -27755
7 -740536
8 9722113
9 343603216
10 -5707904499
11 -250756091552
12 5039646554593
13 264489160965056
14 -6237995487261915
15 -380574552503498624
16 10303367499652761601
17 716309568462681538816
18 -21891769059478538933603