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A340846 as a simple table

na(n)
14
26
38
410
510
612
712
814
916
1016
1114
1218
1314
1418
1522
1622
1716
1822
1916
2022
2126
2222
2318
2426
2524
2622
2728
2828
2920
3030
3120
3230
3330
3424
3528
3632
3722
3826
3932
4034
4122
4234
4322
4434
4538
4628
4724
4838
4932
5040
5134
5236
5324
5438
5538
5642
5736
5830
5926
6042
6126
6230
6346
6442
6540
6644
6728

[4,6,8,10,10,12,12,14,16,16,14,18,14,18,22,22,16,
 22,16,22,26,22,18,26,24,22,28,28,20,30,20,30,30,
 24,28,32,22,26,32,34,22,34,22,34,38,28,24,38,32,
 40,34,36,24,38,38,42,36,30,26,42,26,30,46,42,40,
 44,28]