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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”).

A265772 as a simple table

na(n)
12
27
341
4977
51093
61373
71721
82281
93121
103319
113947
124903
134937
148597
1538287
1664037
1778643

[2,7,41,977,1093,1373,1721,2281,3121,3319,3947,
 4903,4937,8597,38287,64037,78643]