# A012415 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 -1
4 -28
5 -115
6 230
7 7051
8 43080
9 -172327
10 -6067382
11 -47080361
12 309697324
13 12289126629
14 114505019694
15 -1105109602973
16 -48948382516592
17 -522517588252495
18 7065091754607762
19 338212264324430255