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A173513 as a simple table

na(n)
01
11
22
32
43
53
64
75
87
99
1011
1114
1218
1323
1430
1538
1649
1763
1880
19103
20132
21169
22216
23277
24355
25454
26582
27745
28954
291222
301565

[1,1,2,2,3,3,4,5,7,9,11,14,18,23,30,38,49,63,80,
 103,132,169,216,277,355,454,582,745,954,1222,1565]