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A130518 as a simple table

na(n)
00
10
20
31
42
53
65
77
89
912
1015
1118
1222
1326
1430
1535
1640
1745
1851
1957
2063
2170
2277
2384
2492
25100
26108
27117
28126
29135
30145
31155
32165
33176
34187
35198
36210
37222
38234
39247
40260
41273
42287
43301
44315
45330
46345
47360
48376
49392
50408
51425
52442
53459
54477
55495
56513
57532
58551
59570

[0,0,0,1,2,3,5,7,9,12,15,18,22,26,30,35,40,45,51,
 57,63,70,77,84,92,100,108,117,126,135,145,155,165,
 176,187,198,210,222,234,247,260,273,287,301,315,
 330,345,360,376,392,408,425,442,459,477,495,513,
 532,551,570]