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A173433 as a simple table

na(n)
11
21
32
42
53
64
77
811
918
1028
1145
1272
13117
14189
15306
16494
17799
181292
192091
203383
215474
228856
2314329
2423184
2537513
2660697
2798210
28158906
29257115
30416020
31673135
321089155
331762290
342851444
354613733
367465176
3712078909
3819544085
3931622994
4051167078
4182790071
42133957148

[1,1,2,2,3,4,7,11,18,28,45,72,117,189,306,494,799,
 1292,2091,3383,5474,8856,14329,23184,37513,60697,
 98210,158906,257115,416020,673135,1089155,1762290,
 2851444,4613733,7465176,12078909,19544085,
 31622994,51167078,82790071,133957148]