login

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”).

A309923 as a simple table

na(n)
822
9128
10523
111683
124822
1312205
1428943
1563626
16133692
17266371
18513859
19952501
201721706
213018800
225185106
238692703
2414329411
2523154908
2636884974
2757797268
2889452567
29136528482
30206160657
31307592012
32454621657
33664993405
34964573033
351386431619
361977910776

[22,128,523,1683,4822,12205,28943,63626,133692,
 266371,513859,952501,1721706,3018800,5185106,
 8692703,14329411,23154908,36884974,57797268,
 89452567,136528482,206160657,307592012,454621657,
 664993405,964573033,1386431619,1977910776]