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A194252 as a simple table

na(n)
10
20
31
42
54
66
78
811
914
1018
1123
1228
1333
1439
1545
1652
1760
1868
1976
2085
2194
22104
23115
24126
25137
26149
27161
28174
29188
30202
31217
32232
33248
34265
35282
36299
37316
38334
39352
40371
41390
42409
43429
44449
45470
46492
47514
48536
49559
50582
51606
52631
53656
54681
55707
56733
57760

[0,0,1,2,4,6,8,11,14,18,23,28,33,39,45,52,60,68,
 76,85,94,104,115,126,137,149,161,174,188,202,217,
 232,248,265,282,299,316,334,352,371,390,409,429,
 449,470,492,514,536,559,582,606,631,656,681,707,
 733,760]