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A189889 as a simple table

na(n)
11
21
31
44
55
69
710
816
918
1025
1127
1236
1339
1449
1552
1664
1768
1881
1985
20100
21105
22121
23126
24144
25150
26169
27175
28196
29203
30225
31232
32256
33264
34289
35297
36324
37333
38361
39370
40400
41410
42441
43451
44484
45495
46529
47540
48576
49588
50625

[1,1,1,4,5,9,10,16,18,25,27,36,39,49,52,64,68,81,
 85,100,105,121,126,144,150,169,175,196,203,225,
 232,256,264,289,297,324,333,361,370,400,410,441,
 451,484,495,529,540,576,588,625]