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A025201 as a simple table

na(n)
10
20
31
43
54
66
78
810
912
1015
1117
1219
1322
1425
1527
1630
1733
1836
1939
2042
2145
2248
2351
2454
2558
2661
2764
2867
2971
3074
3178
3281
3385
3488
3592
3695
3799
38102
39106
40110
41114
42117
43121
44125
45129
46132
47136
48140
49144
50148
51152
52156
53160
54164
55168
56172
57176
58180
59184
60188
61192
62196
63201
64205
65209
66213
67217
68221
69226

[0,0,1,3,4,6,8,10,12,15,17,19,22,25,27,30,33,36,
 39,42,45,48,51,54,58,61,64,67,71,74,78,81,85,88,
 92,95,99,102,106,110,114,117,121,125,129,132,136,
 140,144,148,152,156,160,164,168,172,176,180,184,
 188,192,196,201,205,209,213,217,221,226]