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A055518 as a simple table

na(n)
11
22
319
4118
5875
66180
744389
8317236
92270893
1016247718
11116267271
12831957002
135953209015
1442598982984
15304823192665
162181205436792
1715607926184313
18111684733527034
19799175992102923
205718617425358462
2140920380028968819

[1,2,19,118,875,6180,44389,317236,2270893,
 16247718,116267271,831957002,5953209015,
 42598982984,304823192665,2181205436792,
 15607926184313,111684733527034,799175992102923,
 5718617425358462,40920380028968819]