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A348520 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
1616
1717
1818
1919
2020
2121
2222
2323
2424
2525
2626
2727
2828
2929
3030
3132
3233
3334
3435
3536
3637
3738
3840
3941
4042
4144
4248
4349
4450
4551
4652
4753
4854
4956
5060
5165
5266
5368
5472
5574
5680
5784
5897
5998
60102
61104
62108
63120
64132
65144
66168
67194
68240

[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,
 20,21,22,23,24,25,26,27,28,29,30,32,33,34,35,36,
 37,38,40,41,42,44,48,49,50,51,52,53,54,56,60,65,
 66,68,72,74,80,84,97,98,102,104,108,120,132,144,
 168,194,240]