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A178398 as a simple table

na(n)
118
248
3180
4448
51584
62548
75508
87600
913248
1026100
1131744
1253428
1372324
1483248
15108288
16154548
17212400
18234484
19309808
20368064
21399748
22505600
23585648
24720900
25931588
261050804
271114048
281248048
291318900
301468548
312080768
322282544
332609028
342724400
353352500
363488704
373919348
384384048
394713408
405237748
415799600
425995444
437041024
447263748
457723188
467960000
479483184
4811189248
4911800368
5012114100

[18,48,180,448,1584,2548,5508,7600,13248,26100,
 31744,53428,72324,83248,108288,154548,212400,
 234484,309808,368064,399748,505600,585648,720900,
 931588,1050804,1114048,1248048,1318900,1468548,
 2080768,2282544,2609028,2724400,3352500,3488704,
 3919348,4384048,4713408,5237748,5799600,5995444,
 7041024,7263748,7723188,7960000,9483184,11189248,
 11800368,12114100]