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A146887 as a simple table

na(n)
01
11
22
39
461
5662
68545
7144603
82738912
962850373
101819921905
1156354728682
122083305039329
1385359151883807
143668360225964372
15172327571468441677
169129692927601444509
17538479555157016784354
1832838123171650422401085

[1,1,2,9,61,662,8545,144603,2738912,62850373,
 1819921905,56354728682,2083305039329,
 85359151883807,3668360225964372,
 172327571468441677,9129692927601444509,
 538479555157016784354,32838123171650422401085]