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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”).

A264514 as a simple table

na(n)
11
23
312
446
5177
6684
72640
810180
939249
10151326
11583444
122249491
138673001
1433439105
15128925825
16497078745
171916507251
187389171396
1928489249854
20109841457681
21423498192724
221632814449360
236295382298780
2424272101648369

[1,3,12,46,177,684,2640,10180,39249,151326,583444,
 2249491,8673001,33439105,128925825,497078745,
 1916507251,7389171396,28489249854,109841457681,
 423498192724,1632814449360,6295382298780,
 24272101648369]