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A000741 as a simple table

na(n)
10
20
31
43
56
69
715
818
927
1030
1145
1242
1366
1463
1584
1684
17120
1899
19153
20132
21174
22165
23231
24180
25270
26234
27297
28270
29378
30276
31435
32360
33450
34408
35540
36414
37630
38513
39636
40552
41780
42558
43861
44690
45828
46759
471035
48744
491113
50870
511104
52972
531326
54945
551380
561116
571386
581218

[0,0,1,3,6,9,15,18,27,30,45,42,66,63,84,84,120,99,
 153,132,174,165,231,180,270,234,297,270,378,276,
 435,360,450,408,540,414,630,513,636,552,780,558,
 861,690,828,759,1035,744,1113,870,1104,972,1326,
 945,1380,1116,1386,1218]