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A256091 as a simple table

na(n)
15
27
39
411
517
623
725
833
938
1045
1155
1272
1379
1489
1595
1696
1799
18100
19103
20105
21117
22133
23137
24163
25171
26213
27218
28220
29237
30239
31240
32248
33255
34257
35282
36303
37305
38320
39347
40355
41362
42375
43384
44393
45407
46408
47411
48459
49475
50503
51506
52513
53525
54539
55540
56567
57581
58613
59616
60657
61659
62660
63751
64752
65761
66792
67796
68808
69824
70833

[5,7,9,11,17,23,25,33,38,45,55,72,79,89,95,96,99,
 100,103,105,117,133,137,163,171,213,218,220,237,
 239,240,248,255,257,282,303,305,320,347,355,362,
 375,384,393,407,408,411,459,475,503,506,513,525,
 539,540,567,581,613,616,657,659,660,751,752,761,
 792,796,808,824,833]