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”).

A291804 as a simple table

na(n)
1720
21092
31224
41350
5912
62016
72352
83600
93968
104680
117068
129936
1311340
1413848
1518872
1628728
1743008
1859520
19101520
20124380
21175824
22189900
23311040
24433008
25618120
26747936
271330560
282219520
293930240
307607808
3115305472

[720,1092,1224,1350,912,2016,2352,3600,3968,4680,
 7068,9936,11340,13848,18872,28728,43008,59520,
 101520,124380,175824,189900,311040,433008,618120,
 747936,1330560,2219520,3930240,7607808,15305472]