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A001409 as a simple table

n a(n)
0 1
1 0
2 3
3 22
4 207
5 2412
6 31754
7 452640
8 6840774
9 108088232
10 1768560270
11 29764630632
12 512705615350
13 9005206632672
14 160810554015408
15 2912940755956084
16 53424552150523386 

[1,0,3,22,207,2412,31754,452640,6840774,108088232,
 1768560270,29764630632,512705615350,9005206632672,
 160810554015408,2912940755956084,
 53424552150523386]

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