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A294408 as a simple table

na(n)
01
1-1
21
30
4-2
53
6-2
7-1
86
9-10
108
112
12-19
1334
14-30
15-3
1660
17-112
18106
19-2
20-188
21370
22-373
2348
24586
25-1226
261307
27-296
28-1808
294046
30-4546
311430
325516
33-13300
3415724
35-6217
36-16626
3743566
38-54132
3925464
4049373
41-142146
42185496
43-100306
44-143896
45461874
46-632864
47384348
48409270
49-1494356
502150240

[1,-1,1,0,-2,3,-2,-1,6,-10,8,2,-19,34,-30,-3,60,
 -112,106,-2,-188,370,-373,48,586,-1226,1307,-296,
 -1808,4046,-4546,1430,5516,-13300,15724,-6217,
 -16626,43566,-54132,25464,49373,-142146,185496,
 -100306,-143896,461874,-632864,384348,409270,
 -1494356,2150240]