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A280176 as a simple table

na(n)
13
241
3279
41633
58759
643094
7202693
8919058
94057457
1017554353
1174755040
12314269010
131307053311
145386675841
1522025521567
1689442385391
17361014889345
181449314491017
195790282988659
2023032601187928
2191257530191537

[3,41,279,1633,8759,43094,202693,919058,4057457,
 17554353,74755040,314269010,1307053311,5386675841,
 22025521567,89442385391,361014889345,
 1449314491017,5790282988659,23032601187928,
 91257530191537]