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A024959 as a simple table

na(n)
12
21
32
44
58
620
748
8112
9264
10688
111760
124432
1311136
1430208
1580160
16209344
17547584
181498752
194052224
2010840064
2128972416
2280315136
23220124160
24597656576
251623036928
264522262528
2712503194624
2834330329088
2994172397568
30264205592576
31735690285056

[2,1,2,4,8,20,48,112,264,688,1760,4432,11136,
 30208,80160,209344,547584,1498752,4052224,
 10840064,28972416,80315136,220124160,597656576,
 1623036928,4522262528,12503194624,34330329088,
 94172397568,264205592576,735690285056]