# A013392 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 -90
4 -3864
5 -326214
6 -38496876
7 -6363118762
8 -1391451773264
9 -390207547318222
10 -136581823796686036
11 -58397588436566980370
12 -29960029691855345080504
13 -18169010205146250870789750