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A233186 as a simple table

na(n)
15
28
315
420
528
638
750
860
966
1080
1195
12100
13106
14116
15128
16140
17156
18175
19195
20206
21220
22236
23256
24279
25300
26301
27315
28330
29350
30369
31395
32409
33428
34450
35469
36496
37506
38520
39536
40556
41579
42600
43601
44606
45620
46635
47655
48676
49700
50701
51706
52720
53736
54756
55776
56800
57801
58806
59820
60836
61856
62879
63900
64901
65910
66926
67945
68965
69988

[5,8,15,20,28,38,50,60,66,80,95,100,106,116,128,
 140,156,175,195,206,220,236,256,279,300,301,315,
 330,350,369,395,409,428,450,469,496,506,520,536,
 556,579,600,601,606,620,635,655,676,700,701,706,
 720,736,756,776,800,801,806,820,836,856,879,900,
 901,910,926,945,965,988]