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A203836 as a simple table

na(n)
18
212
35
442
5198
652
768
8152
9138
10696
11186
12222
13410
14172
15564
161272
17472
181220
19268
20852
211460
222212
231494
24712
251164
261818
27618
281284
29872
302486
31508
32786
33548
341668
351192
36906
373768
38978
39668
406228
413222
426516
433820
44772
454728
463980
476330
48892
495448
501374

[8,12,5,42,198,52,68,152,138,696,186,222,410,172,
 564,1272,472,1220,268,852,1460,2212,1494,712,1164,
 1818,618,1284,872,2486,508,786,548,1668,1192,906,
 3768,978,668,6228,3222,6516,3820,772,4728,3980,
 6330,892,5448,1374]