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A055383 as a simple table

na(n)
01
15
220
354
4123
5239
6428
7706
81107
91653
102386
113332
124543
136049
147910
1510162
1612873
1716083
1819870
1924278
2029393
2135265
2241988
2349616
2458253
2567957
2678840
2790966
28104455
29119375
30135856
31153970
32173855
33195589
34219318
35245124

[1,5,20,54,123,239,428,706,1107,1653,2386,3332,
 4543,6049,7910,10162,12873,16083,19870,24278,
 29393,35265,41988,49616,58253,67957,78840,90966,
 104455,119375,135856,153970,173855,195589,219318,
 245124]