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A141622 as a simple table

na(n)
01
11
21
3-1
41
5-5
610
7-9
83
91
10-21
11210
12-1321
135823
14-18968
1546908
16-89034
17129490
18-142270
19114532
20-63791
2121940
22-3499
231
24-84
253486
26-95228
271924965
28-30690520
29401700964
30-4436161044
3142161182074
32-350011820616
332567538234448

[1,1,1,-1,1,-5,10,-9,3,1,-21,210,-1321,5823,
 -18968,46908,-89034,129490,-142270,114532,-63791,
 21940,-3499,1,-84,3486,-95228,1924965,-30690520,
 401700964,-4436161044,42161182074,-350011820616,
 2567538234448]