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A180567 as a simple table

na(n)
00
10
24
318
496
5374
61380
74696
815336
948318
10148448
11446890
121324104
133872656
1411206764
1532143818
1691509120
17258855006
18728211180
192038815272
205684262480
2115789141750
2243712852544
23120663667538
24332191809936
25912339490464

[0,0,4,18,96,374,1380,4696,15336,48318,148448,
 446890,1324104,3872656,11206764,32143818,91509120,
 258855006,728211180,2038815272,5684262480,
 15789141750,43712852544,120663667538,332191809936,
 912339490464]