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A161661 as a simple table

na(n)
11
22
34
46
58
68
78
88
912
1012
1112
1212
1318
1418
1518
1618
1718
1818
1924
2024
2124
2224
2324
2424
2532
2630
2732
2830
2932
3030
3132
3236
3336
3436
3536
3636
3745
3842
3940
4040
4148
4250
4348
4450
4548
4650
4748
4850
4954
5056
5156
5256
5356
5456
5556
5656
5764
5863
5960
6060
6172
6272
6372

[1,2,4,6,8,8,8,8,12,12,12,12,18,18,18,18,18,18,24,
 24,24,24,24,24,32,30,32,30,32,30,32,36,36,36,36,
 36,45,42,40,40,48,50,48,50,48,50,48,50,54,56,56,
 56,56,56,56,56,64,63,60,60,72,72,72]