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A050465 as a simple table

na(n)
10
20
31
40
50
64
71
80
99
100
111
1216
130
144
1526
160
170
1836
191
200
2158
224
231
2464
250
260
2782
2816
290
30104
311
320
33130
340
3526
36144
370
384
39170
400
410
42232
431
4416
45234
464
471
48256
4949
500
51290
520
530
54328
5526
5664
57370
580
591
60416
610
624
63523
640
650
66520
671
680
69538
70104
711
72576
730

[0,0,1,0,0,4,1,0,9,0,1,16,0,4,26,0,0,36,1,0,58,4,
 1,64,0,0,82,16,0,104,1,0,130,0,26,144,0,4,170,0,0,
 232,1,16,234,4,1,256,49,0,290,0,0,328,26,64,370,0,
 1,416,0,4,523,0,0,520,1,0,538,104,1,576,0]