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A330687 as a simple table

na(n)
11
24
316
464
5144
6256
7576
81024
91296
102304
115184
129216
1320736
1482944
15186624
16331776
17746496
181327104
192073600
202985984
215308416
228294400
2318662400
2421233664
2526873856
2633177600
2747775744
2851840000
2974649600
30107495424
31132710400
32207360000
33429981696
34530841600
35671846400
36829440000
371194393600
381719926784
391866240000
402687385600

[1,4,16,64,144,256,576,1024,1296,2304,5184,9216,
 20736,82944,186624,331776,746496,1327104,2073600,
 2985984,5308416,8294400,18662400,21233664,
 26873856,33177600,47775744,51840000,74649600,
 107495424,132710400,207360000,429981696,530841600,
 671846400,829440000,1194393600,1719926784,
 1866240000,2687385600]