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A248807 as a simple table

na(n)
10
21
34
46
58
69
710
812
916
1018
1120
1222
1324
1428
1530
1632
1736
1838
1939
2040
2142
2248
2349
2450
2552
2654
2758
2860
2964
3068
3170
3272
3378
3480
3581
3688
3790
3896
3998
40102
41108
42110
43112
44118
45120
46121
47122
48128

[0,1,4,6,8,9,10,12,16,18,20,22,24,28,30,32,36,38,
 39,40,42,48,49,50,52,54,58,60,64,68,70,72,78,80,
 81,88,90,96,98,102,108,110,112,118,120,121,122,
 128]