# A203172 (b-file synthesized from sequence entry)
0 0
1 -1
2 15
3 -610
4 27951
5 -1308385
6 61433856
7 -2885861665
8 135572548335
9 -6369013518946
10 299207991620175
11 -14056406104466881
12 660351875572408320
13 -31022481722865482305
14 1457396288941918481871
15 -68466603097469928960610