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A194256 as a simple table

na(n)
10
20
31
42
54
66
79
812
916
1020
1125
1230
1336
1443
1550
1657
1764
1872
1980
2089
2198
22108
23118
24129
25141
26154
27167
28180
29194
30208
31222
32236
33251
34266
35282
36298
37315
38333
39352
40371
41391
42411
43431
44452
45473
46495
47517
48540
49563
50587
51611
52636
53661
54687
55714
56741
57768

[0,0,1,2,4,6,9,12,16,20,25,30,36,43,50,57,64,72,
 80,89,98,108,118,129,141,154,167,180,194,208,222,
 236,251,266,282,298,315,333,352,371,391,411,431,
 452,473,495,517,540,563,587,611,636,661,687,714,
 741,768]