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A193385 as a simple table

na(n)
01
11
22
36
427
5135
6810
75670
845465
9409185
104091850
1145010350
12540134595
137021749735
1498304496290
151474567444350
1623593081136625
17401082379322625
187219482827807250
19137170173728337750
202743403475221484075

[1,1,2,6,27,135,810,5670,45465,409185,4091850,
 45010350,540134595,7021749735,98304496290,
 1474567444350,23593081136625,401082379322625,
 7219482827807250,137170173728337750,
 2743403475221484075]