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A238835 as a simple table

na(n)
01
11
20
3-1
4-1
50
61
7-1
8-8
9-16
10-16
11-12
12-41
13-138
14-210
1547
16849
171471
18-493
19-8052
20-19901
21-19966
2237556
23223807
24508523
25321314
26-2052462
27-8417723
28-13374892
2910841423
30112595914
31260687001
3270989018
33-1341964856
34-4108283969
35-3304416038
3614960606999
3758237169596
3865268280922
39-162368154719
40-767619757924
41-975329692910
421872486336165
439701425034093
4412262136381593
45-24192583755347
46-118764516172484

[1,1,0,-1,-1,0,1,-1,-8,-16,-16,-12,-41,-138,-210,
 47,849,1471,-493,-8052,-19901,-19966,37556,223807,
 508523,321314,-2052462,-8417723,-13374892,
 10841423,112595914,260687001,70989018,-1341964856,
 -4108283969,-3304416038,14960606999,58237169596,
 65268280922,-162368154719,-767619757924,
 -975329692910,1872486336165,9701425034093,
 12262136381593,-24192583755347,-118764516172484]