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A065226 as a simple table

na(n)
01
12
25
39
44
510
617
725
87
917
1028
1140
121
1315
1430
1546
1663
1781
1815
1935
2056
2178
22101
23125
2424
2550
2677
27105
28134
29164
3020
3152
3285
33119
34154
35190
36227
3733
3872
39112
40153
41195
42238
43282
4430
4576
46123
47171
48220
49270
50321
513
5256
53110
54165
55221
56278
57336
58395
594
6065
61127
62190

[1,2,5,9,4,10,17,25,7,17,28,40,1,15,30,46,63,81,
 15,35,56,78,101,125,24,50,77,105,134,164,20,52,85,
 119,154,190,227,33,72,112,153,195,238,282,30,76,
 123,171,220,270,321,3,56,110,165,221,278,336,395,
 4,65,127,190]