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A180349 as a simple table

na(n)
11
22
36
426
5162
61450
718626
8343210
99069306
10343611106
1118662952122
121453016097506
13162144482866166
1425932885879826066

[1,2,6,26,162,1450,18626,343210,9069306,343611106,
 18662952122,1453016097506,162144482866166,
 25932885879826066]