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A060180 as a simple table

na(n)
11
21
34
46
511
615
728
843
974
10103
11148
12213
13296
14476
15679
16990
171133
181707
192225
203260
214591
226042
237343
249374
2513774
2618262
2725244
2830379
2939768
3047295
3166471
3287903
33115570
34139802
35173605
36215878
37271434
38369256
39466904
40569623
41664775

[1,1,4,6,11,15,28,43,74,103,148,213,296,476,679,
 990,1133,1707,2225,3260,4591,6042,7343,9374,13774,
 18262,25244,30379,39768,47295,66471,87903,115570,
 139802,173605,215878,271434,369256,466904,569623,
 664775]