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A140059 as a simple table

na(n)
01
11
20
31
40
5-1
61
7-3
8-3
99
101
11-4
12-20
1332
1496
151
16-10
17-25
18250
19125
20-1250
211
22-12
23-93
24576
252592
26-5184
27-19440
281
29-21
30-98
310
322058
332401
3450421
3516807
36352947
371
38-24
39-272
403840
4124064
42-147456
43-753664
441572864
457340032

[1,1,0,1,0,-1,1,-3,-3,9,1,-4,-20,32,96,1,-10,-25,
 250,125,-1250,1,-12,-93,576,2592,-5184,-19440,1,
 -21,-98,0,2058,2401,50421,16807,352947,1,-24,-272,
 3840,24064,-147456,-753664,1572864,7340032]