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A068514 as a simple table

na(n)
11
22
34
46
510
612
720
828
940
1070
1172
1284
1390
14140
15198
16220
17252
18264
19308
20504
21572
22728
23858
24924
251092
261560
271716
281820
291848
302520
312860
323432
333960
344420
354760
365304
376120
386864
398976
409724
4112870
4212920
4314586
4415504
4516796
4621318
4725740

[1,2,4,6,10,12,20,28,40,70,72,84,90,140,198,220,
 252,264,308,504,572,728,858,924,1092,1560,1716,
 1820,1848,2520,2860,3432,3960,4420,4760,5304,6120,
 6864,8976,9724,12870,12920,14586,15504,16796,
 21318,25740]