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A323310 as a simple table

na(n)
14769856
223849280
352468416
481087552
590627264
6109706688
7138325824
8147865536
9176484672
10195564096
11205103808
12224183232
13252802368
14262342080
15281421504
16290961216
17319580352
18338659776
19348199488
20357739200
21376818624
22395898048
23405437760
24424517184

[4769856,23849280,52468416,81087552,90627264,
 109706688,138325824,147865536,176484672,195564096,
 205103808,224183232,252802368,262342080,281421504,
 290961216,319580352,338659776,348199488,357739200,
 376818624,395898048,405437760,424517184]