# A215666 (b-file synthesized from sequence entry)
0 0
1 -3
2 6
3 -9
4 21
5 -33
6 72
7 -120
8 249
9 -432
10 867
11 -1545
12 3033
13 -5502
14 10644
15 -19539
16 37434
17 -69261
18 131841
19 -245217
20 464784
21 -867492
22 1639569
23 -3067260
24 5786199
25 -10841349
26 20425857
27 -38310246
28 72118920
29 -135356595
30 254667006
31 -478188705
32 899357613