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A294060 as a simple table

na(n)
10
20
31
42
54
66
79
812
915
1018
1122
1226
1331
1436
1542
1648
1754
1860
1966
2072
2179
2286
2394
24102
25110
26118
27127
28136
29146
30156
31167
32178
33189
34200
35212
36224
37236
38248
39261
40274
41287
42300
43314
44328
45343
46358
47374
48390
49406
50422
51438
52454
53471
54488
55505
56522
57539
58556

[0,0,1,2,4,6,9,12,15,18,22,26,31,36,42,48,54,60,
 66,72,79,86,94,102,110,118,127,136,146,156,167,
 178,189,200,212,224,236,248,261,274,287,300,314,
 328,343,358,374,390,406,422,438,454,471,488,505,
 522,539,556]