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A247300 as a simple table

na(n)
00
11
23
37
417
540
694
7222
8526
91252
102994
117191
1217343
1341989
14102023
15248712
16608168
171491349
183666685
199037003
2022323243
2155259206
22137058248
23340567477
24847711177
252113455657
265277115687
2713195311961
2833038994039
2982829585094
30207905352180

[0,1,3,7,17,40,94,222,526,1252,2994,7191,17343,
 41989,102023,248712,608168,1491349,3666685,
 9037003,22323243,55259206,137058248,340567477,
 847711177,2113455657,5277115687,13195311961,
 33038994039,82829585094,207905352180]