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A093468 as a simple table

na(n)
11
22
33
46
518
678
7438
82958
923118
10204558
112018958
1221977358
13261478158
143374988558
1546964134158
16700801318158
1711162196262158
18189005910310158
193390192763174158
2064212742967590158
211280663747055910158

[1,2,3,6,18,78,438,2958,23118,204558,2018958,
 21977358,261478158,3374988558,46964134158,
 700801318158,11162196262158,189005910310158,
 3390192763174158,64212742967590158,
 1280663747055910158]