# A346945 (b-file synthesized from sequence entry)
3 1
4 -6
5 35
6 -235
7 1834
8 -16352
9 164044
10 -1830630
11 22513326
12 -302700926
13 4419167532
14 -69637654996
15 1178377833424
16 -21315571470320
17 410529985172400
18 -8388475139138320
19 181270810764205440
20 -4130796696683135280
21 99008773205008777760
22 -2490134250475836315120