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A090491 as a simple table

na(n)
01
11
23
35
410
515
626
737
857
979
10112
11149
12202
13260
14338
15425
16536
17659
18812
19980
201184
211408
221673
231963
242302
252670
263094
273554
284077
294642
305279
315964
326730
337552
348463
359438
3610513
3711659
3812915
3914252
4015709
4117256
4218935
4320713
4422635
4524667
4626854

[1,1,3,5,10,15,26,37,57,79,112,149,202,260,338,
 425,536,659,812,980,1184,1408,1673,1963,2302,2670,
 3094,3554,4077,4642,5279,5964,6730,7552,8463,9438,
 10513,11659,12915,14252,15709,17256,18935,20713,
 22635,24667,26854]