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A218026 as a simple table

na(n)
00
11
21
31
41
51
61
71
81
91
101
112
123
135
147
1511
1615
1722
1830
1942
2057
2180
22109
23152
24211
25296
26415
27588
28832
291185
301689
312413
323449
334940
347073
3510141
3614544
3720880
3829991
3943131
4062064
4189417
42128925
43186090
44268808
45388677
46562381
47814393
481180070
491711131

[0,1,1,1,1,1,1,1,1,1,1,2,3,5,7,11,15,22,30,42,57,
 80,109,152,211,296,415,588,832,1185,1689,2413,
 3449,4940,7073,10141,14544,20880,29991,43131,
 62064,89417,128925,186090,268808,388677,562381,
 814393,1180070,1711131]