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A004657 as a simple table

na(n)
01
11
23
34
49
511
619
724
837
945
1063
1176
12101
13119
14151
15176
16217
17249
18299
19340
20401
21451
22523
23584
24669
25741
26839
27924
281037
291135
301263
311376
321521
331649
341811
351956
362137
372299
382499
392680
402901
413101

[1,1,3,4,9,11,19,24,37,45,63,76,101,119,151,176,
 217,249,299,340,401,451,523,584,669,741,839,924,
 1037,1135,1263,1376,1521,1649,1811,1956,2137,2299,
 2499,2680,2901,3101]