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A033760 as a simple table

na(n)
01
12
22
36
48
58
618
720
820
938
1044
1144
1272
1384
1480
15128
16146
17136
18206
19232
20224
21324
22356
23344
24492
25530
26516
27706
28752
29744
301004
311068
321032
331388
341464
351416
361864
371940
381888
392460
402560
412472
423176
433304
443200
454048
464216
474032
485090
495318
505050
516360
526608

[1,2,2,6,8,8,18,20,20,38,44,44,72,84,80,128,146,
 136,206,232,224,324,356,344,492,530,516,706,752,
 744,1004,1068,1032,1388,1464,1416,1864,1940,1888,
 2460,2560,2472,3176,3304,3200,4048,4216,4032,5090,
 5318,5050,6360,6608]