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A146400 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 7
7 21
8 51
9 261
10 1539
11 11759
12 111585
13 1296125
14 18399415
15 335874781
16 7824897067
17 229077144211
18 8419643660275
19 387472393043501
20 22360944601180667 

[1,1,1,1,1,7,21,51,261,1539,11759,111585,1296125,
 18399415,335874781,7824897067,229077144211,
 8419643660275,387472393043501,22360944601180667]

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Last modified April 19 08:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)