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A280251 as a simple table

na(n)
11
25
38
418
512
634
731
863
956
1088
1183
12129
1391
14138
15103
16195
17173
18303
19199
20345
21256
22442
23274
24482
25294
26525
27410
28539
29487
30668
31517
32714
33539
34913
35675
361150
37776
381131
39755
401223
41783
421406
43898
441551
451163
461605
471191
481774
491271
501875
511378
522031
531521
542547

[1,5,8,18,12,34,31,63,56,88,83,129,91,138,103,195,
 173,303,199,345,256,442,274,482,294,525,410,539,
 487,668,517,714,539,913,675,1150,776,1131,755,
 1223,783,1406,898,1551,1163,1605,1191,1774,1271,
 1875,1378,2031,1521,2547]