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A041405 as a simple table

na(n)
01
11
23
34
411
515
626
7249
81022
99447
1010469
1119916
1250301
1370217
14190735
15260952
167497391
177758343
1823014077
1930772420
2084558917
21115331337
22199890254
231914343623
247857264746
2572629726337

[1,1,3,4,11,15,26,249,1022,9447,10469,19916,50301,
 70217,190735,260952,7497391,7758343,23014077,
 30772420,84558917,115331337,199890254,1914343623,
 7857264746,72629726337]