# A346944 (b-file synthesized from sequence entry)
2 1
3 -3
4 8
5 -20
6 49
7 -189
8 1791
9 -21132
10 228306
11 -2274690
12 22190772
13 -230289696
14 2756380782
15 -38757988710
16 608149754538
17 -10057914084048
18 171037444641816
19 -3000345245061048
20 55157102668064592
21 -1077263181846230400
22 22411300073192730360
23 -492846784406541548280