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A135999 as a simple table

na(n)
1105
2120
3136
4153
5171
6190
7231
8253
9276
10300
11325
12351
13378
14406
15435
16465
17496
18528
19561
20595
21703
22780
23820
24861
25903
26946
27990
281596
291711
302145
312346
323240
333321
343486
353570
363741
374371
384560
394753
405565

[105,120,136,153,171,190,231,253,276,300,325,351,
 378,406,435,465,496,528,561,595,703,780,820,861,
 903,946,990,1596,1711,2145,2346,3240,3321,3486,
 3570,3741,4371,4560,4753,5565]