# A157490 (b-file synthesized from sequence entry)
0 1
1 -1
2 -221
3 671
4 247741
5 -1256641
6 -679694561
7 4828434911
8 3472065862681
9 -31713479172481
10 -28496356975044101
11 318124890738776351
12 343010832773925500821
13 -4525505109433347923521
14 -5692750997030096043664841
15 86662127452557373393360991
16 124588000528729279236183338161