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A259048 as a simple table

na(n)
11
22
34
412
592
66636
742839036
81834614576635532
93365810487617338033584723922844
1011328680238554850474377984661704304183660014108982249765031212

[1,2,4,12,92,6636,42839036,1834614576635532,
 3365810487617338033584723922844,
 11328680238554850474377984661704304183660014108982\
 249765031212]