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A224960 as a simple table

na(n)
01
11
22
34
47
514
626
752
8101
9200
10396
11787
121564
133117
146214
1512398
1624749
1749427
1898740
19197303
20394323
21788201
221575695
233150265
246298732
2512594595
2625184598
2750361842
28100711888
29201404839
30402779246
31805509560
321610940381
333221753990

[1,1,2,4,7,14,26,52,101,200,396,787,1564,3117,
 6214,12398,24749,49427,98740,197303,394323,788201,
 1575695,3150265,6298732,12594595,25184598,
 50361842,100711888,201404839,402779246,805509560,
 1610940381,3221753990]