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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A186659 as a simple table

na(n)
11
26
383
41101
512813
6135273
71242976
810072614
981753935
10720313380
116785033130

[1,6,83,1101,12813,135273,1242976,10072614,
 81753935,720313380,6785033130]