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A129920 as a simple table

na(n)
0-1
1-1
22
33
4-4
5-10
65
729
82
9-76
10-45
11178
12212
13-361
14-750
15565
162282
17-306
18-6206
19-2428
2015176
2114353
22-32719
23-55104
2457933
25176234
26-61524
27-499047
28-97429
291271400
30921652
31-2887641
32-3948938
335590078
3413380187
35-7828378
36-39536779
37108416
38104810904

[-1,-1,2,3,-4,-10,5,29,2,-76,-45,178,212,-361,
 -750,565,2282,-306,-6206,-2428,15176,14353,-32719,
 -55104,57933,176234,-61524,-499047,-97429,1271400,
 921652,-2887641,-3948938,5590078,13380187,
 -7828378,-39536779,108416,104810904]