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A067588 as a simple table

na(n)
00
11
22
34
46
59
614
719
826
936
1048
1162
1282
13104
14132
15169
16210
17260
18324
19396
20484
21592
22714
23860
241036
251238
261474
271756
282078
292452
302894
313396
323976
334654
345422
356309
367332
378490
389816
3911338
4013060
4115018
4217254
4319774
4422630
4525878
4629524
4733642

[0,1,2,4,6,9,14,19,26,36,48,62,82,104,132,169,210,
 260,324,396,484,592,714,860,1036,1238,1474,1756,
 2078,2452,2894,3396,3976,4654,5422,6309,7332,8490,
 9816,11338,13060,15018,17254,19774,22630,25878,
 29524,33642]