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A273821 as a simple table

na(n)
11
20
32
40
51
64
70
83
93
108
110
129
1310
147
1516
160
1728
1832
1925
2015
2132
220
2390
24104
2584
2656
2731
2864
290
30297
31345
32283
33195
34119
3563
36128
370
381001
391166
40965
41676
42425
43246
44127
45256
460
473432
484004
493333
502359
511506
52894
53501
54255
55512

[1,0,2,0,1,4,0,3,3,8,0,9,10,7,16,0,28,32,25,15,32,
 0,90,104,84,56,31,64,0,297,345,283,195,119,63,128,
 0,1001,1166,965,676,425,246,127,256,0,3432,4004,
 3333,2359,1506,894,501,255,512]