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A113902 as a simple table

na(n)
10
21
34
48
515
621
732
844
952
1060
1180
1295
13120
14132
15144
16168
17203
18224
19264
20288
21304
22320
23369
24405
25423
26441
27468
28495
29560
30590
31660
32715
33737
34759
35781
36825
37912
38936
39960
401008
411105
421144
431246
441288
451330
461358
471470
481545
491575
501620
511650
521695

[0,1,4,8,15,21,32,44,52,60,80,95,120,132,144,168,
 203,224,264,288,304,320,369,405,423,441,468,495,
 560,590,660,715,737,759,781,825,912,936,960,1008,
 1105,1144,1246,1288,1330,1358,1470,1545,1575,1620,
 1650,1695]