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A142978 as a simple table

na(n)
11
21
32
41
54
63
71
86
99
104
111
128
1319
1416
155
161
1710
1833
1944
2025
216
221
2312
2451
2596
2685
2736
287
291
3014
3173
32180
33225
34146
3549
368
371
3816
3999
40304
41501
42456
43231
4464
459
461
4718
48129
49476
50985
511182
52833
53344
5481
5510

[1,1,2,1,4,3,1,6,9,4,1,8,19,16,5,1,10,33,44,25,6,
 1,12,51,96,85,36,7,1,14,73,180,225,146,49,8,1,16,
 99,304,501,456,231,64,9,1,18,129,476,985,1182,833,
 344,81,10]