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A234843 as a simple table

na(n)
11
22
35
416
551
6201
7877
84443
925284
10161698
111145508
128910291
1375373563
14687950735
156727985390

[1,2,5,16,51,201,877,4443,25284,161698,1145508,
 8910291,75373563,687950735,6727985390]