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A026805 as a simple table

na(n)
10
21
30
42
51
63
72
86
95
109
119
1216
1317
1426
1528
1642
1748
1866
1977
20105
21122
22160
23189
24245
25290
26368
27436
28547
29650
30804
31954
321174
331390
341693
352004
362425
372865
383445
394060
404858
415716
426802
437986
449468
4511087
4613088
4715298
4817995
4920987
5024604
5128631
5233464

[0,1,0,2,1,3,2,6,5,9,9,16,17,26,28,42,48,66,77,
 105,122,160,189,245,290,368,436,547,650,804,954,
 1174,1390,1693,2004,2425,2865,3445,4060,4858,5716,
 6802,7986,9468,11087,13088,15298,17995,20987,
 24604,28631,33464]