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A048748 as a simple table

na(n)
13
26
37
48
59
610
712
815
914
1013
1118
1219
1320
1424
1521
1627
1733
1830
1928
2032
2136
2226
2338
2435
2545
2642
2739
2844
2940
3051
3148
3254
3331
3460
3549
3663
3761
3862
3957
4056
4168
4278
4352
4472
4581
4666
4764
4874
4970
5080
5184
5296
5376
5465
5599
5690
57105
5898
5988
60114
61102
6293
63104
64108
65123
66110
67126
68100

[3,6,7,8,9,10,12,15,14,13,18,19,20,24,21,27,33,30,
 28,32,36,26,38,35,45,42,39,44,40,51,48,54,31,60,
 49,63,61,62,57,56,68,78,52,72,81,66,64,74,70,80,
 84,96,76,65,99,90,105,98,88,114,102,93,104,108,
 123,110,126,100]