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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”).

A317260 as a simple table

na(n)
11
25
310
474
5718
67477
7219131
813595141
91430955986
10323294486785

[1,5,10,74,718,7477,219131,13595141,1430955986,
 323294486785]