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A249560 as a simple table

na(n)
01
11
22
34
49
522
658
7163
8485
91519
104985
1117077
1260871
13225152
14862150
153410641
1613913800
1758440010
18252348913
191118802690
205086910935
2123693925911
22112947299251
23550527774738
242741489275969
2513936841789100
2672277551806634
27382134348251357
282058420014680378

[1,1,2,4,9,22,58,163,485,1519,4985,17077,60871,
 225152,862150,3410641,13913800,58440010,252348913,
 1118802690,5086910935,23693925911,112947299251,
 550527774738,2741489275969,13936841789100,
 72277551806634,382134348251357,2058420014680378]