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A331433 as a simple table

na(n)
06
1-24
260
3-120
4210
5-336
6504
7-720
8990
9-1320
101716
11-2184
122730
13-3360
144080
15-4896
165814
17-6840
187980
19-9240
2010626
21-12144
2213800
23-15600
2417550
25-19656
2621924
27-24360
2826970
29-29760
3032736
31-35904
3239270
33-42840
3446620
35-50616
3654834
37-59280
3863960
39-68880
4074046

[6,-24,60,-120,210,-336,504,-720,990,-1320,1716,
 -2184,2730,-3360,4080,-4896,5814,-6840,7980,-9240,
 10626,-12144,13800,-15600,17550,-19656,21924,
 -24360,26970,-29760,32736,-35904,39270,-42840,
 46620,-50616,54834,-59280,63960,-68880,74046]