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A306320 as a simple table

na(n)
01
11
21
31
41
52
62
75
85
910
1011
1118
1221
1331
1437
1556
1670
1797
18134
19180
20247
21343
22462
23623
24850
251128
261509
272004
282649
293467
304590
315958
327814
3310161
3413287
3517208
3622495
3729129
3837997
3949229
4064098
4182940
42107868
43139390
44180737
45233214
46301527
47388018
48500058

[1,1,1,1,1,2,2,5,5,10,11,18,21,31,37,56,70,97,134,
 180,247,343,462,623,850,1128,1509,2004,2649,3467,
 4590,5958,7814,10161,13287,17208,22495,29129,
 37997,49229,64098,82940,107868,139390,180737,
 233214,301527,388018,500058]