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A044076 as a simple table

na(n)
115
231
347
460
579
695
7111
8124
9143
10159
11175
12188
13207
14223
15239
16271
17287
18303
19316
20335
21351
22367
23380
24399
25415
26431
27444
28463
29479
30495
31527
32543
33559
34572
35591
36607
37623
38636
39655
40671
41687
42700
43719
44735
45751
46783
47799

[15,31,47,60,79,95,111,124,143,159,175,188,207,
 223,239,271,287,303,316,335,351,367,380,399,415,
 431,444,463,479,495,527,543,559,572,591,607,623,
 636,655,671,687,700,719,735,751,783,799]