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A180497 as a simple table

na(n)
11
21
36
44
513
69
71
816
96
1025
1113
1236
1322
144
1533
1613
1746
1824
1961
2037
219
2252
2322
2469
2537
261
2754
2816
2973
3033
3194
3252
336
3473
3525
3696
3746
38121
3969
4013
4194
4236
43121
4461
45150
4688
4722
48117
4949
50148
5178
524
53109
5433
55142
5664
57177
5897
5913
60132
6146
62169
6381
64208
65118
6624
67157
6861
69198

[1,1,6,4,13,9,1,16,6,25,13,36,22,4,33,13,46,24,61,
 37,9,52,22,69,37,1,54,16,73,33,94,52,6,73,25,96,
 46,121,69,13,94,36,121,61,150,88,22,117,49,148,78,
 4,109,33,142,64,177,97,13,132,46,169,81,208,118,
 24,157,61,198]