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A099446 as a simple table

na(n)
01
13
25
33
4-8
5-27
6-37
7-3
8103
9240
10233
11-189
12-1115
13-1941
14-1048
153405
1610747
1714013
18-433
19-42528
20-94127
21-85053
2288325
23450387
24748504
25343605
26-1448869
27-4269507
28-5281865
29811728
3017484857
3136819843
3230752293

[1,3,5,3,-8,-27,-37,-3,103,240,233,-189,-1115,
 -1941,-1048,3405,10747,14013,-433,-42528,-94127,
 -85053,88325,450387,748504,343605,-1448869,
 -4269507,-5281865,811728,17484857,36819843,
 30752293]