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A140126 as a simple table

na(n)
11
23
36
411
518
626
736
848
961
1079
1199
12126
13154
14187
15224
16266
17311
18358
19413
20471
21531
22593
23656
24721
25788
26861
27936
281014
291094
301179
311267
321357
331449
341551
351654
361759
371871
381986
392104
402224
412349
422477
432607
442739
452874
463014
473156
483306
493459
503616

[1,3,6,11,18,26,36,48,61,79,99,126,154,187,224,
 266,311,358,413,471,531,593,656,721,788,861,936,
 1014,1094,1179,1267,1357,1449,1551,1654,1759,1871,
 1986,2104,2224,2349,2477,2607,2739,2874,3014,3156,
 3306,3459,3616]