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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”).

A028418 as a simple table

na(n)
11
23
313
467
5411
62911
723563
8213543
92149927
1023759791
11286370151
123734929903
1352455166063
14788704078527
1512648867695311
16215433088624351
173884791172487903
1873919882720901823
191480542628345939807
2031128584449987511871
21685635398619169059391

[1,3,13,67,411,2911,23563,213543,2149927,23759791,
 286370151,3734929903,52455166063,788704078527,
 12648867695311,215433088624351,3884791172487903,
 73919882720901823,1480542628345939807,
 31128584449987511871,685635398619169059391]