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A139546 as a simple table

na(n)
10
21
34
45
56
69
79
814
916
1020
1121
1221
1324
1425
1529
1630
1736
1836
1941
2045
2145
2246
2349
2449
2554
2654
2756
2861
2964
3069
3169
3270
3380
3481
3581
3681
3784
3884
3986
4089
4194
4296
43100
44101
45105
46105
47109
48116
49120
50121
51125
52126
53126
54126
55129
56129
57134
58141
59141
60144
61144
62145
63149
64150

[0,1,4,5,6,9,9,14,16,20,21,21,24,25,29,30,36,36,
 41,45,45,46,49,49,54,54,56,61,64,69,69,70,80,81,
 81,81,84,84,86,89,94,96,100,101,105,105,109,116,
 120,121,125,126,126,126,129,129,134,141,141,144,
 144,145,149,150]