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A020901 as a simple table

na(n)
13
24
36
48
511
612
715
816
919
1023
1124
1229
1330
1431
1534
1637
1740
1842
1946
2047
2147
2251
2353
2456
2561
2662
2763
2866
2966
3068
3175
3277
3380
3480
3586
3687
3791
3893
3995
4097
4199
42100
43105
44106
45107
46108
47115
48121
49123
50124
51125
52127
53128
54133
55136
56138
57139
58141
59145

[3,4,6,8,11,12,15,16,19,23,24,29,30,31,34,37,40,
 42,46,47,47,51,53,56,61,62,63,66,66,68,75,77,80,
 80,86,87,91,93,95,97,99,100,105,106,107,108,115,
 121,123,124,125,127,128,133,136,138,139,141,145]