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A290513 as a simple table

na(n)
13
211
326
479
5224
6640
71828
85225
914928
1042654
11121873
12348232
13995003
142843014
158123337
1623210809
1766320216
18189496620
19541448364
201547079580
214420468031
2212630596045
2336089381477
24103118131368
25294639269914
26841872308017
272405480380385
286873175192304

[3,11,26,79,224,640,1828,5225,14928,42654,121873,
 348232,995003,2843014,8123337,23210809,66320216,
 189496620,541448364,1547079580,4420468031,
 12630596045,36089381477,103118131368,294639269914,
 841872308017,2405480380385,6873175192304]