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A366511 as a simple table

na(n)
18
216
335
480
5188
6451
71100
82720
96803
1017176
1143700
12111875
13287828
14743416
151926035
165001920
1713014188
1833909571
1988452380
20230923280
21603268883
221576786216
234122895460
2410783511555
2528210861988
2673815519976
27193168589075
28505556029520
291323231064028

[8,16,35,80,188,451,1100,2720,6803,17176,43700,
 111875,287828,743416,1926035,5001920,13014188,
 33909571,88452380,230923280,603268883,1576786216,
 4122895460,10783511555,28210861988,73815519976,
 193168589075,505556029520,1323231064028]