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A001830 as a simple table

n a(n)
0 1
1 7
2 61
3 661
4 8953
5 152917
6 3334921
7 94354981
8 3528929353
9 177999003157
10 12340001650921
11 1194005625114661
12 162936187792764073
13 31536761103831315157
14 8677703806537883683081
15 3395880602480076153665701
16 1889190751946097573211698313 

[1,7,61,661,8953,152917,3334921,94354981,
 3528929353,177999003157,12340001650921,
 1194005625114661,162936187792764073,
 31536761103831315157,8677703806537883683081,
 3395880602480076153665701,
 1889190751946097573211698313]

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Last modified May 20 12:27 EDT 2024. Contains 372712 sequences. (Running on oeis4.)