# A333306 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 9
4 -45
5 1575
6 -42525
7 3274425
8 -42567525
9 5746615875
10 -488462349375
11 102088631019375
12 -6431583754220625
13 1923043542511966875
14 -336532619939594203125
15 136295711075535652265625
16 -3952575621190533915703125
17 2083007352367411373575546875