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A201276 as a simple table

na(n)
01
13
227
354
4740
52827
63113
727008
871704
959070
10408600
11894812
12621910
133704174
147087046
154373879
1623558696
1741171126
1823396689
19116650532
20190010902
21101247815
22476808796
23736407602
24373431803
251678517670
262482516953
271208979602
285235742304
297477415626

[1,3,27,54,740,2827,3113,27008,71704,59070,408600,
 894812,621910,3704174,7087046,4373879,23558696,
 41171126,23396689,116650532,190010902,101247815,
 476808796,736407602,373431803,1678517670,
 2482516953,1208979602,5235742304,7477415626]