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A219233 as a simple table

na(n)
01
1-3
27
3-18
447
5-123
6322
7-843
82207
9-5778
1015127
11-39603
12103682
13-271443
14710647
15-1860498
164870847
17-12752043
1833385282
19-87403803
20228826127
21-599074578
221568397607
23-4106118243
2410749957122
25-28143753123
2673681302247
27-192900153618
28505019158607

[1,-3,7,-18,47,-123,322,-843,2207,-5778,15127,
 -39603,103682,-271443,710647,-1860498,4870847,
 -12752043,33385282,-87403803,228826127,-599074578,
 1568397607,-4106118243,10749957122,-28143753123,
 73681302247,-192900153618,505019158607]