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A174628 as a simple table

na(n)
120
236
352
424
540
656
728
844
960
1021
1137
1253
1325
1441
1557
1629
1745
1861
1922
2038
2154
2226
2342
2458
2530
2646
2762
2823
2939
3055
3127
3243
3359
3431
3547
3663

[20,36,52,24,40,56,28,44,60,21,37,53,25,41,57,29,
 45,61,22,38,54,26,42,58,30,46,62,23,39,55,27,43,
 59,31,47,63]