# A024248 (b-file synthesized from sequence entry)
0 0
1 1
2 4
3 -12
4 -2272
5 -166960
6 -13136448
7 -1177426880
8 -116571720704
9 -11452654888704
10 -669616618900480
11 214088681811547136
12 155062926684742508544
13 76744341986122463531008
14 36379718195920790292840448