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A351106 as a simple table

na(n)
11
21
33
41
56
623
72
817
9118
101470
113
1247
13762
1423878
15914525
165
17133
185724
19420894
2040285572

[1,1,3,1,6,23,2,17,118,1470,3,47,762,23878,914525,
 5,133,5724,420894,40285572]