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A026524 as a simple table

na(n)
41
53
69
728
865
9201
10430
111316
122721
138259
1416793
1550680
16102102
17306958
18615024
191844304
203682545
2111024331
2221963161
2365675764
24130648089
25390374193
26775797750
272316881892
284601346295
2913737041045
3027270124455

[1,3,9,28,65,201,430,1316,2721,8259,16793,50680,
 102102,306958,615024,1844304,3682545,11024331,
 21963161,65675764,130648089,390374193,775797750,
 2316881892,4601346295,13737041045,27270124455]