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A066092 as a simple table

na(n)
22
36
44
520
63
742
88
918
1010
11110
124
13156
1414
1510
1616
17272
1818
19342
205
2128
2222
23506
248
25100

[2,6,4,20,3,42,8,18,10,110,4,156,14,10,16,272,18,
 342,5,28,22,506,8,100]