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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A065558 as a simple table

na(n)
11
22
34
46
56
68
78
812
912
1012
1112
1224
1314
1416
1524
1624
1718
1824
1920
2036
2132
2224
2324
2448

[1,2,4,6,6,8,8,12,12,12,12,24,14,16,24,24,18,24,
 20,36,32,24,24,48]