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A128268 as a simple table

n a(n)
0 1
1 1
2 2
3 12
4 2
5 90
6 2
7 770
8 2
9 5460
10 2
11 27870
12 2
13 86268
14 2
15 144
16 2
17 120632
18 2
19 4584054
20 2
21 1568502
22 2
23 147057998
24 2
25 1073923452
26 2
27 1324614852
28 2
29 74007713886
30 2
31 226457341710
32 2
33 735893320
34 2
35 2038112823132
36 2
37 86649033201030
38 2
39 4415363800

[1,1,2,12,2,90,2,770,2,5460,2,27870,2,86268,2,144,
 2,120632,2,4584054,2,1568502,2,147057998,2,
 1073923452,2,1324614852,2,74007713886,2,
 226457341710,2,735893320,2,2038112823132,2,
 86649033201030,2,4415363800]

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Last modified May 16 08:41 EDT 2024. Contains 372552 sequences. (Running on oeis4.)