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A222263 as a simple table

n a(n)
1 1
2 3
3 15
4 135
5 315
6 585
7 819
8 1155
9 1365
10 1485
11 2295
12 4455
13 9009
14 9405
15 9945
16 11115
17 13923
18 13965
19 16965
20 33705
21 34335
22 40365
23 43785
24 43875
25 63063
26 63855
27 84825
28 90675
29 106425
30 108927
31 130815
32 209385
33 236115
34 262845
35 387387
36 396495
37 397575
38 449295
39 483945

[1,3,15,135,315,585,819,1155,1365,1485,2295,4455,
 9009,9405,9945,11115,13923,13965,16965,33705,
 34335,40365,43785,43875,63063,63855,84825,90675,
 106425,108927,130815,209385,236115,262845,387387,
 396495,397575,449295,483945]

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Last modified June 15 12:29 EDT 2021. Contains 345048 sequences. (Running on oeis4.)