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A121748 as a simple table

na(n)
11
21
31
42
53
61
76
811
96
101
1116
1244
1342
1416
152
1666
17209
18254
19147
2040
214
22246
231005
241647
251377
26615
27138
2812
291248
305792
3111246
3211799
337192
342533
35474
3636
375976
3833164
3978760
40104276
4183932
4241912
4312628
442088
45144
4636120
47223676
48605854
49940399
50919920
51586721
52243290
5363028
549216
55576

[1,1,1,2,3,1,6,11,6,1,16,44,42,16,2,66,209,254,
 147,40,4,246,1005,1647,1377,615,138,12,1248,5792,
 11246,11799,7192,2533,474,36,5976,33164,78760,
 104276,83932,41912,12628,2088,144,36120,223676,
 605854,940399,919920,586721,243290,63028,9216,576]