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A225520 as a simple table

na(n)
12
24
34
46
54
610
74
88
96
1010
114
1216
134
1410
1510
1610
174
1816
194
2016
2110
2210
234
2422
256
2610
278
2816
294
3030
314
3212
3310
3410
3510
3626
374
3810
3910
4022
414
4230
434
4416
4516
4610
474
4828
496
5016
5110
5216
534
5422
5510
5622
5710
5810
594
6050
614
6210
6316
6414
6510
6630
674
6816
6910
7030
714
7236

[2,4,4,6,4,10,4,8,6,10,4,16,4,10,10,10,4,16,4,16,
 10,10,4,22,6,10,8,16,4,30,4,12,10,10,10,26,4,10,
 10,22,4,30,4,16,16,10,4,28,6,16,10,16,4,22,10,22,
 10,10,4,50,4,10,16,14,10,30,4,16,10,30,4,36]