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A240835 as a simple table

na(n)
11
21
31
41
54
64
74
84
97
107
117
1210
137
1410
1513
1610
1713
1813
1913
2016
2116
2216
2316
2416
2519
2619
2719
2822
2919
3022
3125
3222
3325
3425
3525
3628
3728
3828
3928
4031
4131
4231
4334
4431
4534
4637
4734
4837
4937
5034
5140
5240
5337
5443
5540
5640
5746
5843
5943
6046
6146
6246
6349
6449
6546
6652
6752
6849
6955
7052
7152
7258
7355
7455
7558
7655
7758
7861
7958
8061
8161
8261

[1,1,1,1,4,4,4,4,7,7,7,10,7,10,13,10,13,13,13,16,
 16,16,16,16,19,19,19,22,19,22,25,22,25,25,25,28,
 28,28,28,31,31,31,34,31,34,37,34,37,37,34,40,40,
 37,43,40,40,46,43,43,46,46,46,49,49,46,52,52,49,
 55,52,52,58,55,55,58,55,58,61,58,61,61,61]