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A109453 as a simple table

na(n)
11
23
36
410
515
621
728
836
945
1046
1147
1248
1349
1450
1551
1652
1753
1854
1955
2057
2159
2261
2363
2465
2567
2669
2771
2873
2975
3078
3181
3284
3387
3490
3593
3696
3799
38102
39105
40109
41113
42117
43121
44125
45129
46133
47137
48141
49145
50150
51155
52160
53165
54170
55175
56180
57185
58190
59195
60201
61207
62213

[1,3,6,10,15,21,28,36,45,46,47,48,49,50,51,52,53,
 54,55,57,59,61,63,65,67,69,71,73,75,78,81,84,87,
 90,93,96,99,102,105,109,113,117,121,125,129,133,
 137,141,145,150,155,160,165,170,175,180,185,190,
 195,201,207,213]