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A220784
as a simple table
n
a(n)
1
4
2
66
3
1197
4
21551
5
388159
6
6991108
7
125915577
8
2267843221
9
40845722318
10
735665065835
[4,66,1197,21551,388159,6991108,125915577, 2267843221,40845722318,735665065835]
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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)
