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A270332 as a simple table

na(n)
07
1-4
240
3-39
4111
5-104
6197
7-197
8344
9-336
10484
11-487
12695
13-668
14856
15-847
161135
17-1140
181420
19-1399
201723
21-1656
221960
23-1943
242335
25-2324
262748
27-2711
283131
29-3095
303543
31-3520
324056
33-4084
344593
35-4521
365077
37-5057
385685
39-5605
406121
41-6033
426721

[7,-4,40,-39,111,-104,197,-197,344,-336,484,-487,
 695,-668,856,-847,1135,-1140,1420,-1399,1723,
 -1656,1960,-1943,2335,-2324,2748,-2711,3131,-3095,
 3543,-3520,4056,-4084,4593,-4521,5077,-5057,5685,
 -5605,6121,-6033,6721]