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A253467 as a simple table

na(n)
11081504
215888
37784
48272
512680
612800
720864
836352
999200
10108800
11230144
12485632
131483520
141644800
153578624
167674112
1723632640
1826220800
1957154304
20122689792
21378018560
22419436800
23914365184
241962940672
256048193280

[1081504,15888,7784,8272,12680,12800,20864,36352,
 99200,108800,230144,485632,1483520,1644800,
 3578624,7674112,23632640,26220800,57154304,
 122689792,378018560,419436800,914365184,
 1962940672,6048193280]