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A291126 as a simple table

na(n)
13
26
3210
488200
5101970
6193290
7289680
8993990
911264550
1059068230
1172776970
1298746230
13122460690
14126500910
15132766770
16234150930
17514442214
18531391650
19638082390
20650428020
21790769790
221249160790
233727074450
244775972850
258299675650
269530202210

[3,6,210,88200,101970,193290,289680,993990,
 11264550,59068230,72776970,98746230,122460690,
 126500910,132766770,234150930,514442214,531391650,
 638082390,650428020,790769790,1249160790,
 3727074450,4775972850,8299675650,9530202210]