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A217637 as a simple table

na(n)
12
22
32
44
56
64
76
816
916
106
1110
1238
1366
1438
1510
1616
1798
18244
19244
2098
2116
2226
23244
24968
251418
26968
27244
2826
2942
30614
313726
328706
338706
343726
35614
3642
3768
381542
3914520
4052120
4183074
4252120
4314520
441542
4568
46110
473872
4856352
49315378
50773348
51773348
52315378

[2,2,2,4,6,4,6,16,16,6,10,38,66,38,10,16,98,244,
 244,98,16,26,244,968,1418,968,244,26,42,614,3726,
 8706,8706,3726,614,42,68,1542,14520,52120,83074,
 52120,14520,1542,68,110,3872,56352,315378,773348,
 773348,315378]