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A187197 as a simple table

na(n)
-11
02
1-1
20
37
40
5-9
60
710
80
9-23
100
1138
120
13-47
140
1575
160
17-112
180
19148
200
21-217
220
23293
240
25-385
260
27553
280
29-728
300
31928
320
33-1272
340
351670
360
37-2111
380
392765
400
41-3566
420
434504
440
45-5784
460
477300
480
49-9123
500
5111592
520
53-14458
540
5517838
560
57-22342
580
5927668
600
61-33884

[1,2,-1,0,7,0,-9,0,10,0,-23,0,38,0,-47,0,75,0,
 -112,0,148,0,-217,0,293,0,-385,0,553,0,-728,0,928,
 0,-1272,0,1670,0,-2111,0,2765,0,-3566,0,4504,0,
 -5784,0,7300,0,-9123,0,11592,0,-14458,0,17838,0,
 -22342,0,27668,0,-33884]