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A233758 as a simple table

na(n)
11
21
33
45
510
616
728
843
970
10105
11161
12236
13350
14501
15722
161016
171431
181981
192741
203740
215096
226868
239233
2412306
2516357
2621581
2728394
2837128
2948406
3062777
3181182
32104494
33134131
34171467
35218607
36277691
37351841
38444314
39559727
40703002
41880896
421100775

[1,1,3,5,10,16,28,43,70,105,161,236,350,501,722,
 1016,1431,1981,2741,3740,5096,6868,9233,12306,
 16357,21581,28394,37128,48406,62777,81182,104494,
 134131,171467,218607,277691,351841,444314,559727,
 703002,880896,1100775]