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A258111 as a simple table

na(n)
01
1-3
29
3-24
457
5-126
6264
7-528
81017
9-1896
103438
11-6084
1210536
13-17898
1429880
15-49104
1679545
17-127170
18200856
19-313692
20484830
21-742080
221125540
23-1692648
242525160
25-3738765
265496246
27-8025432
2811643576
29-16790310
3024072048
31-34321560
3248677625

[1,-3,9,-24,57,-126,264,-528,1017,-1896,3438,
 -6084,10536,-17898,29880,-49104,79545,-127170,
 200856,-313692,484830,-742080,1125540,-1692648,
 2525160,-3738765,5496246,-8025432,11643576,
 -16790310,24072048,-34321560,48677625]