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A194240 as a simple table

na(n)
10
20
31
43
55
67
79
812
916
1020
1124
1229
1334
1440
1546
1653
1760
1868
1977
2086
2195
22105
23116
24128
25140
26152
27165
28179
29193
30207
31221
32236
33252
34268
35284
36300
37317
38335
39353
40371
41390
42410
43430
44451
45472
46493
47515
48538
49561
50585
51609
52634
53660
54686
55712
56739
57767

[0,0,1,3,5,7,9,12,16,20,24,29,34,40,46,53,60,68,
 77,86,95,105,116,128,140,152,165,179,193,207,221,
 236,252,268,284,300,317,335,353,371,390,410,430,
 451,472,493,515,538,561,585,609,634,660,686,712,
 739,767]