# A242569 (b-file synthesized from sequence entry)
1 -1
2 -2
3 0
4 16
5 110
6 708
7 5026
8 40304
9 362862
10 3628780
11 39916778
12 479001576
13 6227020774
14 87178291172
15 1307674367970
16 20922789887968
17 355687428095966
18 6402373705727964
19 121645100408831962
20 2432902008176639960
21 51090942171709439958
22 1124000727777607679956
23 25852016738884976639954
24 620448401733239439359952