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A318468 as a simple table

na(n)
10
20
34
40
52
612
78
80
90
1016
114
1224
1310
1424
1524
160
172
1836
194
2040
2132
2236
238
2448
2518
2632
2732
2856
2926
308
3132
320
330
344
350
3672
372
3812
398
4080
412
4264
434
4480
4574
4672
4716
4896
4932
5068
5164
5296
5334
54104
5572
56112
5780
5880
5952
6040
6158
6296
63104
640
650
66128
674
688
690
70128
718
72128
732
7416
7520
76136
770
78136
7916
80160
8132
8236
834
84160
8540
86132
8740
88176
8918
90160
9148

[0,0,4,0,2,12,8,0,0,16,4,24,10,24,24,0,2,36,4,40,
 32,36,8,48,18,32,32,56,26,8,32,0,0,4,0,72,2,12,8,
 80,2,64,4,80,74,72,16,96,32,68,64,96,34,104,72,
 112,80,80,52,40,58,96,104,0,0,128,4,8,0,128,8,128,
 2,16,20,136,0,136,16,160,32,36,4,160,40,132,40,
 176,18,160,48]