# A013245 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 -3
5 0
6 -90
7 168
8 -4095
9 22176
10 -291564
11 2834480
12 -31372803
13 415999584
14 -4743336598
15 72640890840
16 -927946226207
17 15092982705088
18 -219492662105272
19 3666238685959392
20 -59492414408303971