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A238705 as a simple table

na(n)
11
24
310
419
530
644
761
880
9102
10127
11154
12184
13217
14252
15290
16331
17374
18420
19469
20520
21574
22631
23690
24752
25817
26884
27954
281027
291102
301180
311261
321344
331430
341519
351610
361704
371801
381900
392002
402107
412214
422324
432437
442552
452670
462791
472914
483040
493169

[1,4,10,19,30,44,61,80,102,127,154,184,217,252,
 290,331,374,420,469,520,574,631,690,752,817,884,
 954,1027,1102,1180,1261,1344,1430,1519,1610,1704,
 1801,1900,2002,2107,2214,2324,2437,2552,2670,2791,
 2914,3040,3169]