# A009464 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 1
4 -6
5 -25
6 -155
7 -275
8 -1764
9 11489
10 -10787
11 1096709
12 -3898114
13 91374439
14 -918833799
15 12516903737
16 -187393123592
17 2698255174081
18 -45136473911271
19 755066948613897
20 -13675842977455934
21 257889498152762215