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A353606 as a simple table

na(n)
11
22
31
44
51
60
7-1
811
9-3
10-7
114
12-10
135
14-15
15-4
16151
17-9
18-50
19-3
20-63
2119
22-176
236
24591
25-27
26-637
2713
28-999
2950
30-1957
31-49
3227250
33-162
34-7887
3583
36-12821
37468
38-27226
39-40
40127341
41-1215
42-99166
43-526
44-174140
452640
46-362870
471673
481419061
49-4516
50-1344620

[1,2,1,4,1,0,-1,11,-3,-7,4,-10,5,-15,-4,151,-9,
 -50,-3,-63,19,-176,6,591,-27,-637,13,-999,50,
 -1957,-49,27250,-162,-7887,83,-12821,468,-27226,
 -40,127341,-1215,-99166,-526,-174140,2640,-362870,
 1673,1419061,-4516,-1344620]