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A243809 as a simple table

n a(n)
0 1
1 1
2 4
3 42
4 909
5 33969
6 1948514
7 158770640
8 17419561466
9 2474812055850
10 441910422152592
11 96867456432497772
12 25572186966552515130
13 8002470602289313981938
14 2929213328377453597523820
15 1239933908245021946285387592
16 601020049737946926794959094457

[1,1,4,42,909,33969,1948514,158770640,17419561466,
 2474812055850,441910422152592,96867456432497772,
 25572186966552515130,8002470602289313981938,
 2929213328377453597523820,
 1239933908245021946285387592,
 601020049737946926794959094457]

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)