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A239933 as a simple table

na(n)
12
22
34
44
56
66
78
88
98
1010
1110
1212
1312
1414
156
166
1714
1816
1916
2018
2112
2218
2320
248
258
2620
2722
2822
2924
3024
3126
3210
3310
3426
3528
368
378
3828
3930
4030
4132
4212
4316
4412
4532
4634
4734
4836
4936
5038
5124
5224
5338
5440
5540
5642
5742
5844
5916
6016
6144
6246
6320
6446
6548
6612
6712
6848
6950
7018
7120
7218
7350
7452
7552
7654
7754
7856
7920
8020
8156
8258
8314
8414
8558
8660
8712
8812
8960
9062
9122
9222
9362
9464
9564

[2,2,4,4,6,6,8,8,8,10,10,12,12,14,6,6,14,16,16,18,
 12,18,20,8,8,20,22,22,24,24,26,10,10,26,28,8,8,28,
 30,30,32,12,16,12,32,34,34,36,36,38,24,24,38,40,
 40,42,42,44,16,16,44,46,20,46,48,12,12,48,50,18,
 20,18,50,52,52,54,54,56,20,20,56,58,14,14,58,60,
 12,12,60,62,22,22,62,64,64]