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A032583 as a simple table

na(n)
14
26
38
410
512
614
716
818
920
1022
1124
1226
1327
1428
1530
1632
1734
1835
1936
2038
2139
2240
2342
2444
2545
2646
2748
2850
2952
3054
3155
3256
3357
3458
3560
3662
3764
3865
3966
4068
4170
4272
4374
4476
4577
4678
4780
4881
4982
5084
5185
5286
5388
5490
5591
5692
5794
5895
5996
6098
61100
62102
63104
64106
65108

[4,6,8,10,12,14,16,18,20,22,24,26,27,28,30,32,34,
 35,36,38,39,40,42,44,45,46,48,50,52,54,55,56,57,
 58,60,62,64,65,66,68,70,72,74,76,77,78,80,81,82,
 84,85,86,88,90,91,92,94,95,96,98,100,102,104,106,
 108]