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A247578 as a simple table

na(n)
22
36
44
520
612
742
88
918
1040
11110
1224
1378
1484
1560
1616
1718
1836
19171
2080

[2,6,4,20,12,42,8,18,40,110,24,78,84,60,16,18,36,
 171,80]