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A044991 as a simple table

na(n)
18
217
323
425
544
650
752
868
970
1076
11125
12131
13133
14149
15151
16157
17203
18205
19211
20229
21368
22374
23376
24392
25394
26400
27446
28448
29454
30472
31608
32610
33616
34634
35688
361097
371103
381105
391121
401123
411129
421175
431177
441183
451201
461337

[8,17,23,25,44,50,52,68,70,76,125,131,133,149,151,
 157,203,205,211,229,368,374,376,392,394,400,446,
 448,454,472,608,610,616,634,688,1097,1103,1105,
 1121,1123,1129,1175,1177,1183,1201,1337]