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A031275 as a simple table

na(n)
11
22
33
410
54
611
71
86
913
1035
1115
1240
132
1419
1529
163
177
1828
199
2047
2110
2214
2388
2433
2595
264
27149
2816
29142
3069
3111
3256
3352
3412
3557
36155
3782
381
3937
40137
41215
426
4327
44219
4577
4625
4713
48240
49237
50463
5135
52234
53131
5458
5515
5655
57232
58598
59156
60260
61119

[1,2,3,10,4,11,1,6,13,35,15,40,2,19,29,3,7,28,9,
 47,10,14,88,33,95,4,149,16,142,69,11,56,52,12,57,
 155,82,1,37,137,215,6,27,219,77,25,13,240,237,463,
 35,234,131,58,15,55,232,598,156,260,119]