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A109272 as a simple table

na(n)
11
28
324
425
52
6-2
70
8-2
91
10-3
113
12-6
139
14-19
1535
16-70
17140
18-289
19603
20-1283
212763
22-6031
2313307
24-29660
2566710
26-151297
27345755
28-795695
291842994
30-4294316
3110061643
32-23696379
3356076739
34-133301692
35318212959
36-762636889
371834568152
38-4428667929
3910726314536
40-26060812015
4163505805734

[1,8,24,25,2,-2,0,-2,1,-3,3,-6,9,-19,35,-70,140,
 -289,603,-1283,2763,-6031,13307,-29660,66710,
 -151297,345755,-795695,1842994,-4294316,10061643,
 -23696379,56076739,-133301692,318212959,
 -762636889,1834568152,-4428667929,10726314536,
 -26060812015,63505805734]