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A247568 as a simple table

na(n)
22
33
48
520
66
78
816
927
1040
11110
1224
13156
1415
1560
1632
17272
1854
1957
2080

[2,3,8,20,6,8,16,27,40,110,24,156,15,60,32,272,54,
 57,80]