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A168246 as a simple table

na(n)
11
22
34
419
592
6576
74156
834178
9314368
103199936
1135703996
12433422071
135687955724
1480256879068
151211781887796
1619496946568898
17333041104402860
186019770247224496
19114794574818830716
202303332661419442569
2148509766592884311132
221069983257387168051076

[1,2,4,19,92,576,4156,34178,314368,3199936,
 35703996,433422071,5687955724,80256879068,
 1211781887796,19496946568898,333041104402860,
 6019770247224496,114794574818830716,
 2303332661419442569,48509766592884311132,
 1069983257387168051076]