# A013438 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 -10
4 -840
5 -87750
6 -12248500
7 -2253971850
8 -533589966000
9 -158691603820750
10 -58067784952807500
11 -25679245305449531250
12 -13515821293834796365000
13 -8355912675896675805093750