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A253677 as a simple table

na(n)
11
21
32
42
54
612
724
836
9216
101296
1162208
12746496
13107495424
1446438023168
15240734712102912
168423789045905096704
175589622068988418728132608
18133524176512370516060034538930176
19581306137722148449693374999786222908342272

[1,1,2,2,4,12,24,36,216,1296,62208,746496,
 107495424,46438023168,240734712102912,
 8423789045905096704,5589622068988418728132608,
 133524176512370516060034538930176,
 581306137722148449693374999786222908342272]