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A243208 as a simple table

na(n)
20
33
420
577
6223
7552
81196
92380
104388
117657
1212710
1320301
1431297
1546892
1668426
1797674
18136596
19187713
20253770
21338217
22444773
23578018
24742852
25945210
261191398
271488949
281845824
292271415
302775605
313369930
324066480
334879238
345822810
356913947
368170098
379611127
3811257671

[0,3,20,77,223,552,1196,2380,4388,7657,12710,
 20301,31297,46892,68426,97674,136596,187713,
 253770,338217,444773,578018,742852,945210,1191398,
 1488949,1845824,2271415,2775605,3369930,4066480,
 4879238,5822810,6913947,8170098,9611127,11257671]