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A165910 as a simple table

na(n)
11
24
318
462
5210
6666
72063
86226
918484
1054100
11156620
12449268
131278981
143617544
1510175590
1628485218
1779406350
18220536910
19610487875
201684974790
214638298536
2212737460744
2334902844728
2495449821672
25260554112425
26710056257196

[1,4,18,62,210,666,2063,6226,18484,54100,156620,
 449268,1278981,3617544,10175590,28485218,79406350,
 220536910,610487875,1684974790,4638298536,
 12737460744,34902844728,95449821672,260554112425,
 710056257196]