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A228892 as a simple table

na(n)
12
22
34
46
512
68
738
860
948
1016
11390
12500
13360
14160
1532
166062
176180
183840
191680
20480
2164
22134526
23109228
2456280
2522400
266720
271344
28128
294172198
302673468
311120784
32384720
33109760
3424192
353584
36256
37178449270
3889708004
3929975400
408579424
412187360
42475776
4380640
449216
45512
4610508108222
474108881300

[2,2,4,6,12,8,38,60,48,16,390,500,360,160,32,6062,
 6180,3840,1680,480,64,134526,109228,56280,22400,
 6720,1344,128,4172198,2673468,1120784,384720,
 109760,24192,3584,256,178449270,89708004,29975400,
 8579424,2187360,475776,80640,9216,512,10508108222,
 4108881300]